diff --git a/src/Makefile.am b/src/Makefile.am
index 127956a..879080f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1611,6 +1611,7 @@ module_coreaudio_device_la_LIBADD = $(MODULE_LIBADD)
 
 libalsa_util_la_SOURCES = \
 		modules/alsa/alsa-util.c modules/alsa/alsa-util.h \
+		modules/alsa/alsa-ucm.c modules/alsa/alsa-ucm.h \
 		modules/alsa/alsa-mixer.c modules/alsa/alsa-mixer.h \
 		modules/alsa/alsa-sink.c modules/alsa/alsa-sink.h \
 		modules/alsa/alsa-source.c modules/alsa/alsa-source.h \
diff --git a/src/modules/alsa/alsa-mixer.c b/src/modules/alsa/alsa-mixer.c
index 8b54f75..1151b8d 100644
--- a/src/modules/alsa/alsa-mixer.c
+++ b/src/modules/alsa/alsa-mixer.c
@@ -3294,6 +3294,8 @@ static void mapping_free(pa_alsa_mapping *m) {
     pa_assert(!m->input_pcm);
     pa_assert(!m->output_pcm);
 
+    pa_xfree(m->ucm_context.ucm_devices);
+
     pa_xfree(m);
 }
 
@@ -3366,7 +3368,7 @@ void pa_alsa_profile_set_free(pa_alsa_profile_set *ps) {
     pa_xfree(ps);
 }
 
-static pa_alsa_mapping *mapping_get(pa_alsa_profile_set *ps, const char *name) {
+pa_alsa_mapping *pa_alsa_mapping_get(pa_alsa_profile_set *ps, const char *name) {
     pa_alsa_mapping *m;
 
     if (!pa_startswith(name, "Mapping "))
@@ -3441,7 +3443,7 @@ static int mapping_parse_device_strings(
 
     pa_assert(ps);
 
-    if (!(m = mapping_get(ps, section))) {
+    if (!(m = pa_alsa_mapping_get(ps, section))) {
         pa_log("[%s:%u] %s invalid in section %s", filename, line, lvalue, section);
         return -1;
     }
@@ -3469,7 +3471,7 @@ static int mapping_parse_channel_map(
 
     pa_assert(ps);
 
-    if (!(m = mapping_get(ps, section))) {
+    if (!(m = pa_alsa_mapping_get(ps, section))) {
         pa_log("[%s:%u] %s invalid in section %s", filename, line, lvalue, section);
         return -1;
     }
@@ -3496,7 +3498,7 @@ static int mapping_parse_paths(
 
     pa_assert(ps);
 
-    if (!(m = mapping_get(ps, section))) {
+    if (!(m = pa_alsa_mapping_get(ps, section))) {
         pa_log("[%s:%u] %s invalid in section %s", filename, line, lvalue, section);
         return -1;
     }
@@ -3526,7 +3528,7 @@ static int mapping_parse_element(
 
     pa_assert(ps);
 
-    if (!(m = mapping_get(ps, section))) {
+    if (!(m = pa_alsa_mapping_get(ps, section))) {
         pa_log("[%s:%u] %s invalid in section %s", filename, line, lvalue, section);
         return -1;
     }
@@ -3556,7 +3558,7 @@ static int mapping_parse_direction(
 
     pa_assert(ps);
 
-    if (!(m = mapping_get(ps, section))) {
+    if (!(m = pa_alsa_mapping_get(ps, section))) {
         pa_log("[%s:%u] Section name %s invalid.", filename, line, section);
         return -1;
     }
@@ -3590,7 +3592,7 @@ static int mapping_parse_description(
 
     pa_assert(ps);
 
-    if ((m = mapping_get(ps, section))) {
+    if ((m = pa_alsa_mapping_get(ps, section))) {
         pa_xfree(m->description);
         m->description = pa_xstrdup(rvalue);
     } else if ((p = profile_get(ps, section))) {
@@ -3625,7 +3627,7 @@ static int mapping_parse_priority(
         return -1;
     }
 
-    if ((m = mapping_get(ps, section)))
+    if ((m = pa_alsa_mapping_get(ps, section)))
         m->priority = prio;
     else if ((p = profile_get(ps, section)))
         p->priority = prio;
diff --git a/src/modules/alsa/alsa-mixer.h b/src/modules/alsa/alsa-mixer.h
index fdcff76..1e424bd 100644
--- a/src/modules/alsa/alsa-mixer.h
+++ b/src/modules/alsa/alsa-mixer.h
@@ -48,6 +48,7 @@ typedef struct pa_alsa_profile_set pa_alsa_profile_set;
 typedef struct pa_alsa_port_data pa_alsa_port_data;
 
 #include "alsa-util.h"
+#include "alsa-ucm.h"
 
 typedef enum pa_alsa_switch_use {
     PA_ALSA_SWITCH_IGNORE,
@@ -264,6 +265,9 @@ struct pa_alsa_mapping {
 
     pa_sink *sink;
     pa_source *source;
+
+    /* ucm device context*/
+    pa_alsa_ucm_mapping_context ucm_context;
 };
 
 struct pa_alsa_profile {
@@ -313,6 +317,7 @@ struct pa_alsa_profile_set {
 void pa_alsa_mapping_dump(pa_alsa_mapping *m);
 void pa_alsa_profile_dump(pa_alsa_profile *p);
 void pa_alsa_decibel_fix_dump(pa_alsa_decibel_fix *db_fix);
+pa_alsa_mapping *pa_alsa_mapping_get(pa_alsa_profile_set *ps, const char *name);
 
 pa_alsa_profile_set* pa_alsa_profile_set_new(const char *fname, const pa_channel_map *bonus);
 void pa_alsa_profile_set_probe(pa_alsa_profile_set *ps, const char *dev_id, const pa_sample_spec *ss, unsigned default_n_fragments, unsigned default_fragment_size_msec);
diff --git a/src/modules/alsa/alsa-sink.c b/src/modules/alsa/alsa-sink.c
index c3d18e3..4896672 100644
--- a/src/modules/alsa/alsa-sink.c
+++ b/src/modules/alsa/alsa-sink.c
@@ -152,6 +152,9 @@ struct userdata {
     pa_hook_slot *reserve_slot;
     pa_reserve_monitor_wrapper *monitor;
     pa_hook_slot *monitor_slot;
+
+    /* ucm context */
+    pa_alsa_ucm_mapping_context *ucm_context;
 };
 
 static void userdata_free(struct userdata *u);
@@ -1449,6 +1452,16 @@ static void mixer_volume_init(struct userdata *u) {
     }
 }
 
+static int sink_set_port_ucm_cb(pa_sink *s, pa_device_port *p) {
+    struct userdata *u = s->userdata;
+
+    pa_assert(u);
+    pa_assert(p);
+    pa_assert(u->ucm_context);
+
+    return pa_ucm_set_port(u->ucm_context, p, 1);
+}
+
 static int sink_set_port_cb(pa_sink *s, pa_device_port *p) {
     struct userdata *u = s->userdata;
     pa_alsa_port_data *data;
@@ -1886,6 +1899,16 @@ fail:
     }
 }
 
+static int setup_mixer_ucm(struct userdata *u, pa_bool_t ignore_dB) {
+    pa_assert(u);
+    pa_assert(u->sink);
+    pa_assert(u->ucm_context);
+
+    if (u->sink->active_port)
+        return pa_ucm_set_port(u->ucm_context, u->sink->active_port, 1);
+
+    return 0;
+}
 
 static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB) {
     pa_bool_t need_mixer_callback = FALSE;
@@ -2078,6 +2101,10 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
             TRUE);
     u->smoother_interval = SMOOTHER_MIN_INTERVAL;
 
+    /* use ucm */
+    if (mapping && mapping->ucm_context.ucm)
+        u->ucm_context = &mapping->ucm_context;
+
     dev_id = pa_modargs_get_value(
             ma, "device_id",
             pa_modargs_get_value(ma, "device", DEFAULT_DEVICE));
@@ -2178,7 +2205,8 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
     /* ALSA might tweak the sample spec, so recalculate the frame size */
     frame_size = pa_frame_size(&ss);
 
-    find_mixer(u, mapping, pa_modargs_get_value(ma, "control", NULL), ignore_dB);
+    if (!u->ucm_context)
+        find_mixer(u, mapping, pa_modargs_get_value(ma, "control", NULL), ignore_dB);
 
     pa_sink_new_data_init(&data);
     data.driver = driver;
@@ -2224,7 +2252,9 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
         goto fail;
     }
 
-    if (u->mixer_path_set)
+    if (u->ucm_context)
+        pa_ucm_add_ports(&data.ports, data.proplist, u->ucm_context, 1, card);
+    else if (u->mixer_path_set)
         pa_alsa_add_ports(&data.ports, u->mixer_path_set, card);
 
     u->sink = pa_sink_new(m->core, &data, PA_SINK_HARDWARE | PA_SINK_LATENCY | (u->use_tsched ? PA_SINK_DYNAMIC_LATENCY : 0) |
@@ -2252,7 +2282,10 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
     if (u->use_tsched)
         u->sink->update_requested_latency = sink_update_requested_latency_cb;
     u->sink->set_state = sink_set_state_cb;
-    u->sink->set_port = sink_set_port_cb;
+    if (u->ucm_context)
+        u->sink->set_port = sink_set_port_ucm_cb;
+    else
+        u->sink->set_port = sink_set_port_cb;
     if (u->sink->alternate_sample_rate)
         u->sink->update_rate = sink_update_rate_cb;
     u->sink->userdata = u;
@@ -2291,7 +2324,11 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
     if (update_sw_params(u) < 0)
         goto fail;
 
-    if (setup_mixer(u, ignore_dB) < 0)
+    if (u->ucm_context) {
+        if (setup_mixer_ucm(u, ignore_dB) < 0)
+            goto fail;
+    }
+    else if (setup_mixer(u, ignore_dB) < 0)
         goto fail;
 
     pa_alsa_dump(PA_LOG_DEBUG, u->pcm_handle);
diff --git a/src/modules/alsa/alsa-source.c b/src/modules/alsa/alsa-source.c
index 97092bb..7630678 100644
--- a/src/modules/alsa/alsa-source.c
+++ b/src/modules/alsa/alsa-source.c
@@ -136,6 +136,9 @@ struct userdata {
     pa_hook_slot *reserve_slot;
     pa_reserve_monitor_wrapper *monitor;
     pa_hook_slot *monitor_slot;
+
+    /* ucm context */
+    pa_alsa_ucm_mapping_context *ucm_context;
 };
 
 static void userdata_free(struct userdata *u);
@@ -1352,6 +1355,16 @@ static void mixer_volume_init(struct userdata *u) {
     }
 }
 
+static int source_set_port_ucm_cb(pa_source *s, pa_device_port *p) {
+    struct userdata *u = s->userdata;
+
+    pa_assert(u);
+    pa_assert(p);
+    pa_assert(u->ucm_context);
+
+    return pa_ucm_set_port(u->ucm_context, p, 0);
+}
+
 static int source_set_port_cb(pa_source *s, pa_device_port *p) {
     struct userdata *u = s->userdata;
     pa_alsa_port_data *data;
@@ -1624,6 +1637,17 @@ fail:
     }
 }
 
+static int setup_mixer_ucm(struct userdata *u, pa_bool_t ignore_dB) {
+    pa_assert(u);
+    pa_assert(u->source);
+    pa_assert(u->ucm_context);
+
+    if (u->source->active_port)
+        return pa_ucm_set_port(u->ucm_context, u->source->active_port, 0);
+
+    return 0;
+}
+
 static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB) {
     pa_bool_t need_mixer_callback = FALSE;
 
@@ -1808,6 +1832,10 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
             TRUE);
     u->smoother_interval = SMOOTHER_MIN_INTERVAL;
 
+    /* use ucm */
+    if (mapping && mapping->ucm_context.ucm)
+        u->ucm_context = &mapping->ucm_context;
+
     dev_id = pa_modargs_get_value(
             ma, "device_id",
             pa_modargs_get_value(ma, "device", DEFAULT_DEVICE));
@@ -1904,7 +1932,8 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
     /* ALSA might tweak the sample spec, so recalculate the frame size */
     frame_size = pa_frame_size(&ss);
 
-    find_mixer(u, mapping, pa_modargs_get_value(ma, "control", NULL), ignore_dB);
+    if (!u->ucm_context)
+        find_mixer(u, mapping, pa_modargs_get_value(ma, "control", NULL), ignore_dB);
 
     pa_source_new_data_init(&data);
     data.driver = driver;
@@ -1950,7 +1979,9 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
         goto fail;
     }
 
-    if (u->mixer_path_set)
+    if (u->ucm_context)
+        pa_ucm_add_ports(&data.ports, data.proplist, u->ucm_context, 0, card);
+    else if (u->mixer_path_set)
         pa_alsa_add_ports(&data.ports, u->mixer_path_set, card);
 
     u->source = pa_source_new(m->core, &data, PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY|(u->use_tsched ? PA_SOURCE_DYNAMIC_LATENCY : 0));
@@ -1977,7 +2008,10 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
     if (u->use_tsched)
         u->source->update_requested_latency = source_update_requested_latency_cb;
     u->source->set_state = source_set_state_cb;
-    u->source->set_port = source_set_port_cb;
+    if (u->ucm_context)
+        u->source->set_port = source_set_port_ucm_cb;
+    else
+        u->source->set_port = source_set_port_cb;
     if (u->source->alternate_sample_rate)
         u->source->update_rate = source_update_rate_cb;
     u->source->userdata = u;
@@ -2009,7 +2043,11 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
     if (update_sw_params(u) < 0)
         goto fail;
 
-    if (setup_mixer(u, ignore_dB) < 0)
+    if (u->ucm_context) {
+        if (setup_mixer_ucm(u, ignore_dB) < 0)
+            goto fail;
+    }
+    else if (setup_mixer(u, ignore_dB) < 0)
         goto fail;
 
     pa_alsa_dump(PA_LOG_DEBUG, u->pcm_handle);
diff --git a/src/modules/alsa/alsa-ucm.c b/src/modules/alsa/alsa-ucm.c
new file mode 100644
index 0000000..452a1c4
--- /dev/null
+++ b/src/modules/alsa/alsa-ucm.c
@@ -0,0 +1,1083 @@
+/***
+ This file is part of PulseAudio.
+
+ Copyright 2011 Wolfson Microelectronics PLC
+ Author Margarita Olaya <magi@slimlogic.co.uk>
+ Copyright 2012 Feng Wei <feng.wei@linaro.org>, Linaro
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2.1 of the License,
+ or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <limits.h>
+#include <asoundlib.h>
+
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+#include <valgrind/memcheck.h>
+#endif
+
+#include <pulse/sample.h>
+#include <pulse/xmalloc.h>
+#include <pulse/timeval.h>
+#include <pulse/util.h>
+
+#include <pulsecore/log.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/core-util.h>
+#include <pulsecore/atomic.h>
+#include <pulsecore/core-error.h>
+#include <pulsecore/once.h>
+#include <pulsecore/thread.h>
+#include <pulsecore/conf-parser.h>
+#include <pulsecore/strbuf.h>
+
+#include "alsa-mixer.h"
+#include "alsa-util.h"
+#include "alsa-ucm.h"
+
+#define PA_UCM_PLAYBACK_PRIORITY_UNSET(device)      ((device)->playback_channels && !(device)->playback_priority)
+#define PA_UCM_CAPTURE_PRIORITY_UNSET(device)       ((device)->capture_channels && !(device)->capture_priority)
+#define PA_UCM_DEVICE_PRIORITY_SET(device, priority) \
+    do { \
+        if (PA_UCM_PLAYBACK_PRIORITY_UNSET(device)) (device)->playback_priority = (priority);   \
+        if (PA_UCM_CAPTURE_PRIORITY_UNSET(device))  (device)->capture_priority = (priority);    \
+    } while(0)
+
+struct ucm_items {
+    const char *id;
+    const char *property;
+};
+
+struct ucm_info {
+    const char *id;
+    unsigned priority;
+};
+
+static struct ucm_items item[] = {
+    {"PlaybackPCM", PA_PROP_UCM_SINK},
+    {"CapturePCM", PA_PROP_UCM_SOURCE},
+    {"PlaybackVolume", PA_PROP_UCM_PLAYBACK_VOLUME},
+    {"PlaybackSwitch", PA_PROP_UCM_PLAYBACK_SWITCH},
+    {"PlaybackPriority", PA_PROP_UCM_PLAYBACK_PRIORITY},
+    {"PlaybackChannels", PA_PROP_UCM_PLAYBACK_CHANNELS},
+    {"CaptureVolume", PA_PROP_UCM_CAPTURE_VOLUME},
+    {"CaptureSwitch", PA_PROP_UCM_CAPTURE_SWITCH},
+    {"CapturePriority", PA_PROP_UCM_CAPTURE_PRIORITY},
+    {"CaptureChannels", PA_PROP_UCM_CAPTURE_CHANNELS},
+    {"TQ", PA_PROP_UCM_QOS},
+    {NULL, NULL},
+};
+
+/* UCM verb info - this should eventually be part of policy manangement */
+static struct ucm_info verb_info[] = {
+    {SND_USE_CASE_VERB_INACTIVE, 0},
+    {SND_USE_CASE_VERB_HIFI, 8000},
+    {SND_USE_CASE_VERB_HIFI_LOW_POWER, 7000},
+    {SND_USE_CASE_VERB_VOICE, 6000},
+    {SND_USE_CASE_VERB_VOICE_LOW_POWER, 5000},
+    {SND_USE_CASE_VERB_VOICECALL, 4000},
+    {SND_USE_CASE_VERB_IP_VOICECALL, 4000},
+    {SND_USE_CASE_VERB_ANALOG_RADIO, 3000},
+    {SND_USE_CASE_VERB_DIGITAL_RADIO, 3000},
+    {NULL, 0}
+};
+
+/* UCM device info - should be overwritten by ucm property */
+static struct ucm_info dev_info[] = {
+    {SND_USE_CASE_DEV_SPEAKER, 100},
+    {SND_USE_CASE_DEV_LINE, 100},
+    {SND_USE_CASE_DEV_HEADPHONES, 100},
+    {SND_USE_CASE_DEV_HEADSET, 300},
+    {SND_USE_CASE_DEV_HANDSET, 200},
+    {SND_USE_CASE_DEV_BLUETOOTH, 400},
+    {SND_USE_CASE_DEV_EARPIECE, 100},
+    {SND_USE_CASE_DEV_SPDIF, 100},
+    {SND_USE_CASE_DEV_HDMI, 100},
+    {SND_USE_CASE_DEV_NONE, 100},
+    {NULL, 0}
+};
+
+/* UCM profile properties - The verb data is store so it can be used to fill
+ * the new profiles properties */
+static int ucm_get_property(pa_alsa_ucm_verb *verb, snd_use_case_mgr_t *uc_mgr, const char *verb_name) {
+    const char *value;
+    char *id;
+    int i = 0;
+
+    do {
+        int err;
+
+        id = pa_sprintf_malloc("=%s//%s", item[i].id, verb_name);
+        err = snd_use_case_get(uc_mgr, id, &value);
+        pa_xfree(id);
+        if (err < 0 ) {
+            pa_log_info("No %s for verb %s", item[i].id, verb_name);
+            continue;
+        }
+
+        pa_log_info("Got %s for verb %s: %s", item[i].id, verb_name, value);
+        pa_proplist_sets(verb->proplist, item[i].property, value);
+        free((void*)value);
+    } while (item[++i].id);
+
+    return 0;
+};
+
+static char **dup_strv(const char **src, int n) {
+    char **dest = pa_xnew0(char *, n+1);
+    int i;
+
+    for (i=0; i<n; i++)
+        dest[i] = pa_xstrdup(src[i]);
+
+    return dest;
+}
+
+static int ucm_device_in(char **device_names, int num, pa_alsa_ucm_device *dev) {
+    int i;
+    const char *dev_name = pa_proplist_gets(dev->proplist, PA_PROP_UCM_NAME);
+
+    for (i=0; i<num; i++)
+        if (!strcmp(dev_name, device_names[i]))
+            return 1;
+
+    return 0;
+}
+
+/* Create a property list for this ucm device */
+static int ucm_get_device_property(pa_alsa_ucm_device *device,
+        snd_use_case_mgr_t *uc_mgr, pa_alsa_ucm_verb *verb, const char *device_name) {
+    const char *value;
+    const char **devices;
+    char *id;
+    int i = 0;
+    int err;
+    uint32_t ui;
+
+    do {
+        id = pa_sprintf_malloc("=%s/%s", item[i].id, device_name);
+        err = snd_use_case_get(uc_mgr, id, &value);
+        pa_xfree(id);
+        if (err < 0) {
+            pa_log_info("No %s for device %s", item[i].id, device_name);
+            continue;
+        }
+
+        pa_log_info("Got %s for device %s: %s", item[i].id, device_name, value);
+        pa_proplist_sets(device->proplist, item[i].property, value);
+        free((void*)value);
+    } while (item[++i].id);
+
+    /* get direction and channels */
+    value = pa_proplist_gets(device->proplist, PA_PROP_UCM_PLAYBACK_CHANNELS);
+    if (value) { /* output */
+        /* get channels */
+        if (pa_atou(value, &ui) == 0 && ui < PA_CHANNELS_MAX)
+            device->playback_channels = ui;
+        else
+            pa_log("UCM playback channels %s for device %s out of range", value, device_name);
+
+        /* get pcm */
+        value = pa_proplist_gets(device->proplist, PA_PROP_UCM_SINK);
+        if (!value) { /* take pcm from verb playback default */
+            value = pa_proplist_gets(verb->proplist, PA_PROP_UCM_SINK);
+            if (value) {
+                pa_log_info("UCM playback device %s fetch pcm from verb default %s", device_name, value);
+                pa_proplist_sets(device->proplist, PA_PROP_UCM_SINK, value);
+            }
+            else
+                pa_log("UCM playback device %s fetch pcm failed", device_name);
+        }
+    }
+    value = pa_proplist_gets(device->proplist, PA_PROP_UCM_CAPTURE_CHANNELS);
+    if (value) { /* input */
+        /* get channels */
+        if (pa_atou(value, &ui) == 0 && ui < PA_CHANNELS_MAX)
+            device->capture_channels = ui;
+        else
+            pa_log("UCM capture channels %s for device %s out of range", value, device_name);
+
+        /* get pcm */
+        value = pa_proplist_gets(device->proplist, PA_PROP_UCM_SOURCE);
+        if (!value) { /* take pcm from verb capture default */
+            value = pa_proplist_gets(verb->proplist, PA_PROP_UCM_SOURCE);
+            if (value) {
+                pa_log_info("UCM capture device %s fetch pcm from verb default %s", device_name, value);
+                pa_proplist_sets(device->proplist, PA_PROP_UCM_SOURCE, value);
+            }
+            else
+                pa_log("UCM capture device %s fetch pcm failed", device_name);
+        }
+    }
+    pa_assert(device->playback_channels || device->capture_channels);
+
+    /* get priority of device */
+    if (device->playback_channels) { /* sink device */
+        value = pa_proplist_gets(device->proplist, PA_PROP_UCM_PLAYBACK_PRIORITY);
+        if (value) {
+            /* get priority from ucm config */
+            if (pa_atou(value, &ui) == 0)
+                device->playback_priority = ui;
+            else
+                pa_log("UCM playback priority %s for device %s error", value, device_name);
+        }
+    }
+    if (device->capture_channels) { /* source device */
+        value = pa_proplist_gets(device->proplist, PA_PROP_UCM_CAPTURE_PRIORITY);
+        if (value) {
+            /* get priority from ucm config */
+            if (pa_atou(value, &ui) == 0)
+                device->capture_priority = ui;
+            else
+                pa_log("UCM capture priority %s for device %s error", value, device_name);
+        }
+    }
+    if (PA_UCM_PLAYBACK_PRIORITY_UNSET(device) || PA_UCM_CAPTURE_PRIORITY_UNSET(device)) {
+        /* get priority from static table */
+        i = 0;
+        do {
+            if (strcasecmp(dev_info[i].id, device_name) == 0) {
+                PA_UCM_DEVICE_PRIORITY_SET(device, dev_info[i].priority);
+                break;
+            }
+        } while (dev_info[++i].id);
+    }
+    if (PA_UCM_PLAYBACK_PRIORITY_UNSET(device))
+        /* fall through to default priority */
+        device->playback_priority = 100;
+    if (PA_UCM_CAPTURE_PRIORITY_UNSET(device))
+        /* fall through to default priority */
+        device->capture_priority = 100;
+
+    id = pa_sprintf_malloc("%s/%s", "_conflictingdevs", device_name);
+    device->n_confdev = snd_use_case_get_list(uc_mgr, id, &devices);
+    pa_xfree(id);
+    if (device->n_confdev <= 0)
+        pa_log_info("No %s for device %s", "_conflictingdevs", device_name);
+    else {
+        device->conflicting_devices = dup_strv(devices, device->n_confdev);
+        snd_use_case_free_list(devices, device->n_confdev);
+    }
+
+    id = pa_sprintf_malloc("%s/%s", "_supporteddevs", device_name);
+    device->n_suppdev = snd_use_case_get_list(uc_mgr, id, &devices);
+    pa_xfree(id);
+    if (device->n_suppdev <= 0)
+        pa_log_info("No %s for device %s", "_supporteddevs", device_name);
+    else {
+        device->supported_devices = dup_strv(devices, device->n_suppdev);
+        snd_use_case_free_list(devices, device->n_suppdev);
+    }
+
+    return 0;
+};
+
+/* Create a property list for this ucm modifier */
+static int ucm_get_modifier_property(pa_alsa_ucm_modifier *modifier, snd_use_case_mgr_t *uc_mgr, const char *modifier_name) {
+    const char *value;
+    char *id;
+    int i = 0;
+
+    do {
+        int err;
+
+        id = pa_sprintf_malloc("=%s/%s", item[i].id, modifier_name);
+        err = snd_use_case_get(uc_mgr, id, &value);
+        pa_xfree(id);
+        if (err < 0 ) {
+            pa_log_info("No %s for modifier %s", item[i].id, modifier_name);
+            continue;
+        }
+
+        pa_log_info("Got %s for modifier %s: %s", item[i].id, modifier_name, value);
+        pa_proplist_sets(modifier->proplist, item[i].property, value);
+        free((void*)value);
+    } while (item[++i].id);
+
+    id = pa_sprintf_malloc("%s/%s", "_conflictingdevs", modifier_name);
+    modifier->n_confdev = snd_use_case_get_list(uc_mgr, id, &modifier->conflicting_devices);
+    pa_xfree(id);
+    if (modifier->n_confdev < 0)
+        pa_log_info("No %s for modifier %s", "_conflictingdevs", modifier_name);
+
+    id = pa_sprintf_malloc("%s/%s", "_supporteddevs", modifier_name);
+    modifier->n_suppdev = snd_use_case_get_list(uc_mgr, id, &modifier->supported_devices);
+    pa_xfree(id);
+    if (modifier->n_suppdev < 0)
+        pa_log_info("No %s for modifier %s", "_supporteddevs", modifier_name);
+
+    return 0;
+};
+
+/* Create a list of devices for this verb */
+static int ucm_get_devices(pa_alsa_ucm_verb *verb, snd_use_case_mgr_t *uc_mgr) {
+    const char **dev_list;
+    int num_dev, i;
+
+    num_dev = snd_use_case_get_list(uc_mgr, "_devices", &dev_list);
+    if (num_dev <= 0)
+        return num_dev;
+
+    for (i = 0; i < num_dev; i += 2) {
+        pa_alsa_ucm_device *d;
+        d = pa_xnew0(pa_alsa_ucm_device, 1);
+        d->proplist = pa_proplist_new();
+        pa_proplist_sets(d->proplist, PA_PROP_UCM_NAME, pa_strnull(dev_list[i]));
+        pa_proplist_sets(d->proplist, PA_PROP_UCM_DESCRIPTION, pa_strna(dev_list[i+1]));
+        PA_LLIST_PREPEND(pa_alsa_ucm_device, verb->devices, d);
+    }
+    snd_use_case_free_list(dev_list, num_dev);
+
+    return 0;
+};
+
+static int ucm_get_modifiers(pa_alsa_ucm_verb *verb, snd_use_case_mgr_t *uc_mgr) {
+    const char **mod_list;
+    int num_mod, i;
+
+    num_mod = snd_use_case_get_list(uc_mgr, "_modifiers", &mod_list);
+    if (num_mod <= 0)
+        return num_mod;
+
+    for (i = 0; i < num_mod; i += 2) {
+        pa_alsa_ucm_modifier *m;
+
+        m = pa_xnew0(pa_alsa_ucm_modifier, 1);
+        m->proplist = pa_proplist_new();
+        pa_proplist_sets(m->proplist, PA_PROP_UCM_NAME, pa_strnull(mod_list[i]));
+        pa_proplist_sets(m->proplist, PA_PROP_UCM_DESCRIPTION, pa_strna(mod_list[i+1]));
+        PA_LLIST_PREPEND(pa_alsa_ucm_modifier, verb->modifiers, m);
+    }
+    snd_use_case_free_list(mod_list, num_mod);
+
+    return 0;
+};
+
+static pa_bool_t role_match(const char *cur, const char *role) {
+    char *r;
+    const char *state=NULL;
+
+    if (!cur || !role)
+        return FALSE;
+
+    while ((r = pa_split_spaces(cur, &state))) {
+        if (!strcasecmp(role, r)) {
+            pa_xfree(r);
+            return TRUE;
+        }
+        pa_xfree(r);
+    }
+
+    return FALSE;
+}
+
+static void add_role_to_device(pa_alsa_ucm_device *dev, const char *dev_name,
+        const char *role_name, const char *role) {
+    const char *cur = pa_proplist_gets(dev->proplist, role_name);
+
+    if (!cur)
+        pa_proplist_sets(dev->proplist, role_name, role);
+    else if (!role_match(cur, role)) { /* not exists */
+        char *value = pa_sprintf_malloc("%s %s", cur, role);
+
+        pa_proplist_sets(dev->proplist, role_name, value);
+        pa_xfree(value);
+    }
+    pa_log_info("Add role %s to device %s(%s), result %s", role,
+            dev_name, role_name, pa_proplist_gets(dev->proplist, role_name));
+}
+
+static void add_media_role(const char *name, pa_alsa_ucm_device *list,
+        const char *role_name, const char *role, int is_sink) {
+    pa_alsa_ucm_device *d;
+
+    PA_LLIST_FOREACH(d, list) {
+        const char *dev_name = pa_proplist_gets(d->proplist, PA_PROP_UCM_NAME);
+
+        if (!strcmp(dev_name, name)) {
+            const char *sink = pa_proplist_gets(d->proplist, PA_PROP_UCM_SINK);
+            const char *source = pa_proplist_gets(d->proplist, PA_PROP_UCM_SOURCE);
+
+            if (is_sink && sink)
+                add_role_to_device(d, dev_name, role_name, role);
+            else if (!is_sink && source)
+                add_role_to_device(d, dev_name, role_name, role);
+            break;
+        }
+    }
+}
+
+static void ucm_set_media_roles(pa_alsa_ucm_modifier *modifier,
+        pa_alsa_ucm_device *list, const char *mod_name) {
+    int i;
+    int is_sink=0;
+    const char *sub = NULL;
+    const char *role_name;
+
+    if (pa_startswith(mod_name, "Play")) {
+        is_sink = 1;
+        sub = mod_name + 4;
+    }
+    else if (pa_startswith(mod_name, "Capture"))
+        sub = mod_name + 7;
+
+    if (!sub || !*sub) {
+        pa_log_warn("Can't match media roles for modifer %s", mod_name);
+        return;
+    }
+
+    modifier->action_direct = is_sink ?
+        PA_ALSA_UCM_DIRECT_SINK : PA_ALSA_UCM_DIRECT_SOURCE;
+    modifier->media_role = pa_xstrdup(sub);
+
+    role_name = is_sink ? PA_PROP_UCM_PLAYBACK_ROLES : PA_PROP_UCM_CAPTURE_ROLES;
+
+    for (i=0; i<modifier->n_suppdev; i++)
+        add_media_role(modifier->supported_devices[i], list, role_name, sub, is_sink);
+}
+
+static void append_me_to_device(pa_alsa_ucm_device *devices,
+        const char *dev_name, pa_alsa_ucm_device *me, const char *my_name, int is_conflicting) {
+    pa_alsa_ucm_device *d;
+    char ***pdevices;
+    int *pnum;
+
+    PA_LLIST_FOREACH(d, devices) {
+        const char *name = pa_proplist_gets(d->proplist, PA_PROP_UCM_NAME);
+
+        if (!strcmp(name, dev_name)) {
+            pdevices = is_conflicting ? &d->conflicting_devices : &d->supported_devices;
+            pnum = is_conflicting ? &d->n_confdev : &d->n_suppdev;
+            if (!ucm_device_in(*pdevices, *pnum, me)) {
+                /* append my name */
+                *pdevices = pa_xrealloc(*pdevices, sizeof(char *) * (*pnum+2));
+                (*pdevices)[*pnum] = pa_xstrdup(my_name);
+                (*pdevices)[*pnum+1] = NULL;
+                (*pnum)++;
+                pa_log_info("== Device %s complemented to %s's %s list",
+                        my_name, name, is_conflicting ? "conflicting" : "supported");
+            }
+            break;
+        }
+    }
+}
+
+static void append_lost_relationship(pa_alsa_ucm_device *devices,
+        pa_alsa_ucm_device *dev, const char *dev_name) {
+    int i;
+
+    for (i=0; i<dev->n_confdev; i++)
+        append_me_to_device(devices, dev->conflicting_devices[i], dev, dev_name, 1);
+    for (i=0; i<dev->n_suppdev; i++)
+        append_me_to_device(devices, dev->supported_devices[i], dev, dev_name, 0);
+}
+
+int pa_ucm_get_verb(snd_use_case_mgr_t *uc_mgr, const char *verb_name,
+        const char *verb_desc, pa_alsa_ucm_verb **p_verb) {
+    pa_alsa_ucm_device *d;
+    pa_alsa_ucm_modifier *mod;
+    pa_alsa_ucm_verb *verb;
+    int err=0;
+
+    *p_verb = NULL;
+    pa_log_info("pa_ucm_get_verb: Set ucm verb to %s", verb_name);
+    err = snd_use_case_set(uc_mgr, "_verb", verb_name);
+    if (err < 0)
+        return err;
+
+    verb = pa_xnew0(pa_alsa_ucm_verb, 1);
+    verb->proplist = pa_proplist_new();
+    pa_proplist_sets(verb->proplist, PA_PROP_UCM_NAME, pa_strnull(verb_name));
+    pa_proplist_sets(verb->proplist, PA_PROP_UCM_DESCRIPTION, pa_strna(verb_desc));
+    err = ucm_get_devices(verb, uc_mgr);
+    if (err < 0)
+        pa_log("No UCM devices for verb %s", verb_name);
+
+    err = ucm_get_modifiers(verb, uc_mgr);
+    if (err < 0)
+        pa_log("No UCM modifiers for verb %s", verb_name);
+
+    /* Verb properties */
+    ucm_get_property(verb, uc_mgr, verb_name);
+
+    PA_LLIST_FOREACH(d, verb->devices) {
+        const char *dev_name = pa_proplist_gets(d->proplist, PA_PROP_UCM_NAME);
+
+        /* Devices properties */
+        ucm_get_device_property(d, uc_mgr, verb, dev_name);
+    }
+    /* make conflicting or supported device mutual */
+    PA_LLIST_FOREACH(d, verb->devices) {
+        const char *dev_name = pa_proplist_gets(d->proplist, PA_PROP_UCM_NAME);
+
+        append_lost_relationship(verb->devices, d, dev_name);
+    }
+
+    PA_LLIST_FOREACH(mod, verb->modifiers) {
+        const char *mod_name = pa_proplist_gets(mod->proplist, PA_PROP_UCM_NAME);
+
+        /* Modifier properties */
+        ucm_get_modifier_property(mod, uc_mgr, mod_name);
+
+        /* Set PA_PROP_DEVICE_INTENDED_ROLES property to devices */
+        pa_log_info("Set media roles for verb %s, modifier %s", verb_name, mod_name);
+        ucm_set_media_roles(mod, verb->devices, mod_name);
+    }
+
+    *p_verb = verb;
+    return 0;
+}
+
+static void ucm_add_port_combination(pa_hashmap *hash, pa_alsa_ucm_mapping_context *context,
+        int is_sink, int *dev_indices, int num, pa_hashmap *ports, pa_card_profile *cp, pa_core *core) {
+    pa_device_port *port;
+    int i;
+    unsigned priority;
+    char *name, *desc;
+    const char *dev_name;
+    const char *direction;
+    pa_alsa_ucm_device *dev;
+
+    dev = context->ucm_devices[dev_indices[0]];
+    dev_name = pa_proplist_gets(dev->proplist, PA_PROP_UCM_NAME);
+    name = pa_xstrdup(dev_name);
+    desc = num == 1 ? pa_xstrdup(pa_proplist_gets(dev->proplist, PA_PROP_UCM_DESCRIPTION))
+            : pa_sprintf_malloc("Combination port for %s", dev_name);
+    priority = is_sink ? dev->playback_priority : dev->capture_priority;
+    for (i=1; i<num; i++) {
+        char *tmp;
+        dev = context->ucm_devices[dev_indices[i]];
+        dev_name = pa_proplist_gets(dev->proplist, PA_PROP_UCM_NAME);
+        tmp = pa_sprintf_malloc("%s+%s", name, dev_name);
+        pa_xfree(name);
+        name = tmp;
+        tmp = pa_sprintf_malloc("%s,%s", desc, dev_name);
+        pa_xfree(desc);
+        desc = tmp;
+        /* FIXME: Is it true? */
+        priority += (is_sink ? dev->playback_priority : dev->capture_priority);
+    }
+
+    port = pa_hashmap_get(ports, name);
+    if (!port) {
+        port = pa_device_port_new(core, pa_strna(name), desc, sizeof(pa_alsa_port_data_ucm));
+        pa_assert(port);
+        pa_hashmap_put(ports, port->name, port);
+        pa_log_debug("Add port %s: %s", port->name, port->description);
+        port->profiles = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
+    }
+    port->priority = priority;
+    if (is_sink)
+        port->is_output = TRUE;
+    else
+        port->is_input = TRUE;
+
+    pa_xfree(name);
+    pa_xfree(desc);
+
+    direction = is_sink ? "output" : "input";
+    pa_log_debug("Port %s direction %s, priority %d", port->name, direction, priority);
+
+    if (cp) {
+        pa_log_debug("Adding port %s to profile %s", port->name, cp->name);
+        pa_hashmap_put(port->profiles, cp->name, cp);
+    }
+    if (hash) {
+        pa_hashmap_put(hash, port->name, port);
+        pa_device_port_ref(port);
+    }
+}
+
+static int ucm_device_contain(pa_alsa_ucm_mapping_context *context,
+        int *dev_indices, int dev_num, const char *device_name) {
+    int i;
+    const char *dev_name;
+    pa_alsa_ucm_device *dev;
+
+    for (i=0; i<dev_num; i++) {
+        dev = context->ucm_devices[dev_indices[i]];
+        dev_name = pa_proplist_gets(dev->proplist, PA_PROP_UCM_NAME);
+        if (!strcmp(dev_name, device_name))
+            return 1;
+    }
+
+    return 0;
+}
+
+static int ucm_port_contain(const char *port_name, const char *dev_name) {
+    int ret=0;
+    char *r;
+    const char *state=NULL;
+
+    if (!port_name || !dev_name)
+        return FALSE;
+
+    while ((r = pa_split(port_name, "+", &state))) {
+        if (!strcmp(r, dev_name)) {
+            pa_xfree(r);
+            ret = 1;
+            break;
+        }
+        pa_xfree(r);
+    }
+    return ret;
+}
+
+static int ucm_check_conformance(pa_alsa_ucm_mapping_context *context,
+        int *dev_indices, int dev_num, int map_index) {
+    int i;
+    pa_alsa_ucm_device *dev = context->ucm_devices[map_index];
+
+    pa_log_debug("Check device %s conformance with %d other devices",
+            pa_proplist_gets(dev->proplist, PA_PROP_UCM_NAME), dev_num);
+    if (dev_num == 0) {
+        pa_log_debug("First device in combination, number 1");
+        return 1;
+    }
+
+    if (dev->n_confdev > 0) { /* the device defines conflicting devices */
+        for (i=0; i<dev->n_confdev; i++)
+            if (ucm_device_contain(context, dev_indices, dev_num, dev->conflicting_devices[i])) {
+                pa_log_debug("Conflicting device found");
+                return 0;
+            }
+    }
+    else if (dev->n_suppdev >= dev_num) { /* the device defines supported devices */
+        for (i=0; i<dev_num; i++)
+            if (!ucm_device_in(dev->supported_devices, dev->n_suppdev, context->ucm_devices[dev_indices[i]])) {
+                pa_log_debug("Supported device not found");
+                return 0;
+            }
+    }
+    else { /* not support any other devices */
+        pa_log_debug("Not support any other devices");
+        return 0;
+    }
+
+    pa_log_debug("Device added to combination, number %d", dev_num+1);
+    return 1;
+}
+
+void pa_ucm_add_ports_combination(pa_hashmap *hash,
+        pa_alsa_ucm_mapping_context *context, int is_sink, int *dev_indices, int dev_num,
+        int map_index, pa_hashmap *ports, pa_card_profile *cp, pa_core *core) {
+
+    if (map_index >= context->ucm_devices_num)
+        return;
+
+    /* check if device at map_index can combine with existing devices combination */
+    if (ucm_check_conformance(context, dev_indices, dev_num, map_index)) {
+        /* add device at map_index to devices combination */
+        dev_indices[dev_num] = map_index;
+        /* add current devices combination as a new port */
+        ucm_add_port_combination(hash, context, is_sink, dev_indices, dev_num+1, ports, cp, core);
+        /* try more elements combination */
+        pa_ucm_add_ports_combination(hash, context, is_sink, dev_indices, dev_num+1, map_index+1, ports, cp, core);
+    }
+    /* try other device with current elements number */
+    pa_ucm_add_ports_combination(hash, context, is_sink, dev_indices, dev_num, map_index+1, ports, cp, core);
+}
+
+static char* merge_roles(const char *cur, const char *add) {
+    char *r, *ret = NULL;
+    const char *state=NULL;
+
+    if (add == NULL)
+        return pa_xstrdup(cur);
+    else if (cur == NULL)
+        return pa_xstrdup(add);
+
+    while ((r = pa_split_spaces(add, &state))) {
+        char *value;
+
+        if (!ret)
+            value = pa_xstrdup(r);
+        else if (!role_match(cur, r))
+            value = pa_sprintf_malloc("%s %s", ret, r);
+        else {
+            pa_xfree(r);
+            continue;
+        }
+        pa_xfree(ret);
+        ret = value;
+        pa_xfree(r);
+    }
+
+    return ret;
+}
+
+void pa_ucm_add_ports(pa_hashmap **p, pa_proplist *proplist,
+        pa_alsa_ucm_mapping_context *context, int is_sink, pa_card *card) {
+    int *dev_indices = pa_xnew(int, context->ucm_devices_num);
+    int i;
+    char *merged_roles;
+    const char *role_name = is_sink ? PA_PROP_UCM_PLAYBACK_ROLES : PA_PROP_UCM_CAPTURE_ROLES;
+
+    pa_assert(p);
+    pa_assert(!*p);
+    pa_assert(context->ucm_devices_num > 0);
+
+    /* add ports first */
+    *p = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
+    pa_ucm_add_ports_combination(*p, context, is_sink, dev_indices, 0, 0, card->ports, NULL, card->core);
+    pa_xfree(dev_indices);
+
+    /* then set property PA_PROP_DEVICE_INTENDED_ROLES */
+    merged_roles = pa_xstrdup(pa_proplist_gets(proplist, PA_PROP_DEVICE_INTENDED_ROLES));
+    for (i=0; i<context->ucm_devices_num; i++) {
+        const char *roles = pa_proplist_gets(context->ucm_devices[i]->proplist, role_name);
+        char *tmp;
+
+        tmp = merge_roles(merged_roles, roles);
+        pa_xfree(merged_roles);
+        merged_roles = tmp;
+    }
+
+    if (merged_roles)
+        pa_proplist_sets(proplist, PA_PROP_DEVICE_INTENDED_ROLES, merged_roles);
+
+    pa_log_info("Alsa device %s roles: %s", pa_proplist_gets(
+                proplist, PA_PROP_DEVICE_STRING), pa_strnull(merged_roles));
+    pa_xfree(merged_roles);
+}
+
+/* Change UCM verb and device to match selected card profile */
+int pa_ucm_set_profile(pa_alsa_ucm_config *ucm, const char *new_profile,
+        const char *old_profile) {
+    int ret = 0;
+    const char *profile;
+    pa_alsa_ucm_verb *verb;
+
+    if (new_profile == old_profile)
+        return ret;
+    else if (new_profile == NULL || old_profile == NULL)
+        profile = new_profile ? new_profile : SND_USE_CASE_VERB_INACTIVE;
+    else if (strcmp(new_profile, old_profile) != 0)
+        profile = new_profile;
+    else
+        return ret;
+
+    /* change verb */
+    pa_log_info("Set ucm verb to %s", profile);
+    if ((snd_use_case_set(ucm->ucm_mgr, "_verb", profile)) < 0) {
+        pa_log("failed to set verb %s", profile);
+        ret = -1;
+    }
+
+    /* find active verb */
+    ucm->active_verb = NULL;
+    PA_LLIST_FOREACH(verb, ucm->verbs) {
+        const char *verb_name;
+        verb_name = pa_proplist_gets(verb->proplist, PA_PROP_UCM_NAME);
+        if (!strcmp(verb_name, profile)) {
+            ucm->active_verb = verb;
+            break;
+        }
+    }
+
+    return ret;
+}
+
+int pa_ucm_set_port(pa_alsa_ucm_mapping_context *context, pa_device_port *port, int is_sink) {
+    int i, ret=0;
+    pa_alsa_ucm_config *ucm;
+    char *enable_devs=NULL;
+    char *r;
+    const char *state=NULL;
+
+    pa_assert(context && context->ucm);
+
+    ucm = context->ucm;
+    pa_assert(ucm->ucm_mgr);
+
+    /* first disable then enable */
+    for (i=0; i<context->ucm_devices_num; i++) {
+        const char *dev_name = pa_proplist_gets(context->ucm_devices[i]->proplist, PA_PROP_UCM_NAME);
+
+        if (ucm_port_contain(port->name, dev_name)) {
+            char *tmp = enable_devs ? pa_sprintf_malloc("%s,%s", enable_devs, dev_name) : pa_xstrdup(dev_name);
+
+            pa_xfree(enable_devs);
+            enable_devs = tmp;
+        }
+        else {
+            pa_log_info("Disable ucm device %s", dev_name);
+            if (snd_use_case_set(ucm->ucm_mgr, "_disdev", dev_name) > 0) {
+                pa_log("failed to disable ucm device %s", dev_name);
+                ret = -1;
+                break;
+            }
+        }
+    }
+    if (enable_devs) {
+        while ((r = pa_split(enable_devs, ",", &state))) {
+            pa_log_info("Enable ucm device %s", r);
+            if (snd_use_case_set(ucm->ucm_mgr, "_enadev", r) < 0) {
+                pa_log("failed to enable ucm device %s", r);
+                pa_xfree(r);
+                ret = -1;
+                break;
+            }
+            pa_xfree(r);
+        }
+        pa_xfree(enable_devs);
+    }
+
+    return ret;
+}
+
+static void ucm_add_mapping(pa_alsa_profile *p, pa_alsa_mapping *m) {
+
+    switch (m->direction) {
+        case PA_ALSA_DIRECTION_ANY:
+            pa_idxset_put(p->output_mappings, m, NULL);
+            pa_idxset_put(p->input_mappings, m, NULL);
+            break;
+        case PA_ALSA_DIRECTION_OUTPUT:
+            pa_idxset_put(p->output_mappings, m, NULL);
+            break;
+        case PA_ALSA_DIRECTION_INPUT:
+            pa_idxset_put(p->input_mappings, m, NULL);
+            break;
+    }
+}
+
+static void alsa_mapping_add_ucm_device(pa_alsa_mapping *m, pa_alsa_ucm_device *device) {
+    char *cur_desc;
+    const char *new_desc;
+
+    /* we expand 8 entries each time */
+    if ((m->ucm_context.ucm_devices_num & 7) == 0)
+        m->ucm_context.ucm_devices = pa_xrealloc(m->ucm_context.ucm_devices,
+                sizeof(pa_alsa_ucm_device *) * (m->ucm_context.ucm_devices_num + 8));
+    m->ucm_context.ucm_devices[m->ucm_context.ucm_devices_num++] = device;
+
+    new_desc = pa_proplist_gets(device->proplist, PA_PROP_UCM_DESCRIPTION);
+    cur_desc = m->description;
+    if (cur_desc)
+        m->description = pa_sprintf_malloc("%s + %s", cur_desc, new_desc);
+    else
+        m->description = pa_xstrdup(new_desc);
+    pa_xfree(cur_desc);
+
+    /* walk around null case */
+    m->description = m->description ? m->description : pa_xstrdup("");
+
+    /* save mapping to ucm device */
+    if (m->direction == PA_ALSA_DIRECTION_OUTPUT)
+        device->playback_mapping = m;
+    else
+        device->capture_mapping = m;
+}
+
+static int ucm_create_mapping_direction(pa_alsa_ucm_config *ucm,
+        pa_alsa_profile_set *ps, pa_alsa_profile *p,
+        pa_alsa_ucm_device *device, const char *verb_name,
+        const char *device_name, const char *device_str, int is_sink) {
+    pa_alsa_mapping *m;
+    char *mapping_name;
+    unsigned priority, channels;
+
+    mapping_name = pa_sprintf_malloc("Mapping %s: %s: %s", verb_name, device_str, is_sink ? "sink" : "source");
+
+    m = pa_alsa_mapping_get(ps, mapping_name);
+    if (!m) {
+        pa_log("no mapping for %s", mapping_name);
+        pa_xfree(mapping_name);
+        return -1;
+    }
+    pa_log_info("ucm mapping: %s dev %s", mapping_name, device_name);
+    pa_xfree(mapping_name);
+
+    priority = is_sink ? device->playback_priority : device->capture_priority;
+    channels = is_sink ? device->playback_channels : device->capture_channels;
+    if (m->ucm_context.ucm_devices_num == 0) {   /* new mapping */
+        m->supported = TRUE;
+        m->ucm_context.ucm = ucm;
+
+        m->device_strings = pa_xnew0(char*, 2);
+        m->device_strings[0] = pa_xstrdup(device_str);
+        m->direction = is_sink ? PA_ALSA_DIRECTION_OUTPUT : PA_ALSA_DIRECTION_INPUT;
+
+        ucm_add_mapping(p, m);
+        pa_channel_map_init_extend(&m->channel_map, channels, PA_CHANNEL_MAP_ALSA);
+    }
+
+    /* mapping priority is the highest one of ucm devices */
+    if (priority > m->priority)
+        m->priority = priority;
+
+    /* mapping channels is the lowest one of ucm devices */
+    if (channels < m->channel_map.channels)
+        pa_channel_map_init_extend(&m->channel_map, channels, PA_CHANNEL_MAP_ALSA);
+    alsa_mapping_add_ucm_device(m, device);
+
+    return 0;
+}
+
+static int ucm_create_mapping(pa_alsa_ucm_config *ucm,
+        pa_alsa_profile_set *ps, pa_alsa_profile *p,
+        pa_alsa_ucm_device *device, const char *verb_name,
+        const char *device_name, const char *sink, const char *source) {
+    int ret=0;
+
+    if (!sink && !source) {
+        pa_log("no sink and source at %s: %s", verb_name, device_name);
+        return -1;
+    }
+
+    if (sink)
+        ret = ucm_create_mapping_direction(ucm, ps, p, device, verb_name, device_name, sink, 1);
+    if (ret == 0 && source)
+        ret = ucm_create_mapping_direction(ucm, ps, p, device, verb_name, device_name, source, 0);
+
+    return ret;
+}
+
+static int ucm_create_profile(pa_alsa_ucm_config *ucm, pa_alsa_profile_set *ps,
+        pa_alsa_ucm_verb *verb, const char *verb_name, const char *verb_desc) {
+    pa_alsa_profile *p;
+    pa_alsa_ucm_device *dev;
+    int i=0;
+
+    pa_assert(ps);
+
+    if (pa_hashmap_get(ps->profiles, verb_name)) {
+        pa_log("verb %s already exists", verb_name);
+        return -1;
+    }
+
+    p = pa_xnew0(pa_alsa_profile, 1);
+    p->profile_set = ps;
+    p->name = pa_xstrdup(verb_name);
+    p->description = pa_xstrdup(verb_desc);
+
+    p->output_mappings = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
+    p->input_mappings = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
+
+    p->supported = TRUE;
+    pa_hashmap_put(ps->profiles, p->name, p);
+
+    /* TODO: get profile priority from ucm info or policy management */
+    do {
+        /* We allow UCM verb name to be separated by "_",
+         * while predefined alsa ucm name is splitted by " "
+         */
+        char *verb_cmp = pa_xstrdup(verb_name);
+        char *c = verb_cmp;
+        while (*c) {
+            if (*c == '_') *c = ' ';
+            c++;
+        }
+        if (strcasecmp(verb_info[i].id, verb_cmp) == 0) {
+            p->priority = verb_info[i].priority;
+            pa_xfree(verb_cmp);
+            break;
+        }
+        pa_xfree(verb_cmp);
+    } while (verb_info[++i].id);
+
+    if (verb_info[++i].id == NULL)
+        p->priority = 1000;
+
+    PA_LLIST_FOREACH(dev, verb->devices) {
+        const char *dev_name, *sink, *source;
+
+        dev_name = pa_proplist_gets(dev->proplist, PA_PROP_UCM_NAME);
+
+        sink = pa_proplist_gets(dev->proplist, PA_PROP_UCM_SINK);
+        source = pa_proplist_gets(dev->proplist, PA_PROP_UCM_SOURCE);
+
+        ucm_create_mapping(ucm, ps, p, dev, verb_name, dev_name, sink, source);
+    }
+    pa_alsa_profile_dump(p);
+
+    return 0;
+}
+
+pa_alsa_profile_set* pa_ucm_add_profile_set(pa_alsa_ucm_config *ucm, pa_channel_map *default_channel_map) {
+    pa_alsa_ucm_verb *verb;
+    pa_alsa_profile_set *ps;
+
+    ps = pa_xnew0(pa_alsa_profile_set, 1);
+    ps->mappings = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
+    ps->profiles = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
+    ps->decibel_fixes = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
+
+    /* create a profile for each verb */
+    PA_LLIST_FOREACH(verb, ucm->verbs) {
+        const char *verb_name;
+        const char *verb_desc;
+
+        verb_name = pa_proplist_gets(verb->proplist, PA_PROP_UCM_NAME);
+        verb_desc = pa_proplist_gets(verb->proplist, PA_PROP_UCM_DESCRIPTION);
+        if (verb_name == NULL) {
+            pa_log("verb with no name");
+            continue;
+        }
+
+	    ucm_create_profile(ucm, ps, verb, verb_name, verb_desc);
+    }
+    ps->probed = TRUE;
+
+    return ps;
+}
+
+static void free_verb(pa_alsa_ucm_verb *verb) {
+    pa_alsa_ucm_device *di, *dn;
+    pa_alsa_ucm_modifier *mi, *mn;
+
+    PA_LLIST_FOREACH_SAFE(di, dn, verb->devices) {
+        PA_LLIST_REMOVE(pa_alsa_ucm_device, verb->devices, di);
+        pa_proplist_free(di->proplist);
+        if (di->n_suppdev > 0)
+            pa_xstrfreev(di->supported_devices);
+        if (di->n_confdev > 0)
+            pa_xstrfreev(di->conflicting_devices);
+        pa_xfree(di);
+    }
+
+    PA_LLIST_FOREACH_SAFE(mi, mn, verb->modifiers) {
+        PA_LLIST_REMOVE(pa_alsa_ucm_modifier, verb->modifiers, mi);
+        pa_proplist_free(mi->proplist);
+        if (mi->n_suppdev > 0)
+            snd_use_case_free_list(mi->supported_devices, mi->n_suppdev);
+        if (mi->n_confdev > 0)
+            snd_use_case_free_list(mi->conflicting_devices, mi->n_confdev);
+        pa_xfree(mi->media_role);
+        pa_xfree(mi);
+    }
+    pa_proplist_free(verb->proplist);
+    pa_xfree(verb);
+}
+
+void pa_ucm_free(pa_alsa_ucm_config *ucm) {
+    pa_alsa_ucm_verb *vi, *vn;
+
+    PA_LLIST_FOREACH_SAFE(vi, vn, ucm->verbs) {
+        PA_LLIST_REMOVE(pa_alsa_ucm_verb, ucm->verbs, vi);
+        free_verb(vi);
+    }
+    if (ucm->ucm_mgr) {
+        snd_use_case_mgr_close(ucm->ucm_mgr);
+        ucm->ucm_mgr = NULL;
+    }
+}
diff --git a/src/modules/alsa/alsa-ucm.h b/src/modules/alsa/alsa-ucm.h
new file mode 100644
index 0000000..18b6fe0
--- /dev/null
+++ b/src/modules/alsa/alsa-ucm.h
@@ -0,0 +1,111 @@
+#ifndef fooalsaucmhfoo
+#define fooalsaucmhfoo
+
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2011 Wolfson Microelectronics PLC
+  Author Margarita Olaya <magi@slimlogic.co.uk>
+  Copyright 2012 Feng Wei <feng.wei@linaro.org>, Linaro
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as published
+  by the Free Software Foundation; either version 2.1 of the License,
+  or (at your option) any later version.
+
+  PulseAudio is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with PulseAudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#include <asoundlib.h>
+#include <use-case.h>
+
+typedef struct pa_alsa_mapping pa_alsa_mapping;
+typedef struct pa_alsa_ucm_verb pa_alsa_ucm_verb;
+typedef struct pa_alsa_ucm_modifier pa_alsa_ucm_modifier;
+typedef struct pa_alsa_ucm_device pa_alsa_ucm_device;
+typedef struct pa_alsa_ucm_config pa_alsa_ucm_config;
+typedef struct pa_alsa_ucm_mapping_context pa_alsa_ucm_mapping_context;
+typedef struct pa_alsa_port_data_ucm pa_alsa_port_data_ucm;
+
+pa_alsa_profile_set* pa_ucm_add_profile_set(pa_alsa_ucm_config *ucm, pa_channel_map *default_channel_map);
+int pa_ucm_set_profile(pa_alsa_ucm_config *ucm, const char *new_profile, const char *old_profile);
+
+int pa_ucm_get_verb(snd_use_case_mgr_t *uc_mgr, const char *verb_name, const char *verb_desc, pa_alsa_ucm_verb **p_verb);
+
+void pa_ucm_add_ports(pa_hashmap **hash, pa_proplist *proplist,
+        pa_alsa_ucm_mapping_context *context, int is_sink, pa_card *card);
+void pa_ucm_add_ports_combination(pa_hashmap *hash, pa_alsa_ucm_mapping_context *context,
+        int is_sink, int *dev_indices, int dev_num, int map_index, pa_hashmap *ports,
+        pa_card_profile *cp, pa_core *core);
+int pa_ucm_set_port(pa_alsa_ucm_mapping_context *context, pa_device_port *port, int is_sink);
+
+void pa_ucm_free(pa_alsa_ucm_config *ucm);
+
+/* UCM modifier action direction */
+enum {
+    PA_ALSA_UCM_DIRECT_NONE = 0,
+    PA_ALSA_UCM_DIRECT_SINK,
+    PA_ALSA_UCM_DIRECT_SOURCE
+};
+
+/* UCM - Use Case Manager is available on some audio cards */
+
+struct pa_alsa_ucm_device {
+    PA_LLIST_FIELDS(pa_alsa_ucm_device);
+    pa_proplist *proplist;
+    unsigned playback_priority;
+    unsigned capture_priority;
+    unsigned playback_channels;
+    unsigned capture_channels;
+    pa_alsa_mapping *playback_mapping;
+    pa_alsa_mapping *capture_mapping;
+    int n_confdev;
+    int n_suppdev;
+    char **conflicting_devices;
+    char **supported_devices;
+};
+
+struct pa_alsa_ucm_modifier {
+    PA_LLIST_FIELDS(pa_alsa_ucm_modifier);
+    pa_proplist *proplist;
+    int n_confdev;
+    int n_suppdev;
+    const char **conflicting_devices;
+    const char **supported_devices;
+    int action_direct;
+    char *media_role;
+};
+
+struct pa_alsa_ucm_verb {
+    PA_LLIST_FIELDS(pa_alsa_ucm_verb);
+    pa_proplist *proplist;
+    PA_LLIST_HEAD(pa_alsa_ucm_device, devices);
+    PA_LLIST_HEAD(pa_alsa_ucm_modifier, modifiers);
+};
+
+struct pa_alsa_ucm_config {
+    snd_use_case_mgr_t *ucm_mgr;
+    pa_alsa_ucm_verb *active_verb;
+
+    PA_LLIST_HEAD(pa_alsa_ucm_verb, verbs);
+};
+
+struct pa_alsa_ucm_mapping_context {
+    pa_alsa_ucm_config *ucm;
+    int ucm_devices_num;
+    pa_alsa_ucm_device **ucm_devices;
+};
+
+struct pa_alsa_port_data_ucm {
+    int dummy;
+};
+
+#endif
diff --git a/src/modules/alsa/module-alsa-card.c b/src/modules/alsa/module-alsa-card.c
index b06394d..7d09938 100644
--- a/src/modules/alsa/module-alsa-card.c
+++ b/src/modules/alsa/module-alsa-card.c
@@ -37,6 +37,7 @@
 #endif
 
 #include "alsa-util.h"
+#include "alsa-ucm.h"
 #include "alsa-sink.h"
 #include "alsa-source.h"
 #include "module-alsa-card-symdef.h"
@@ -69,6 +70,7 @@ PA_MODULE_USAGE(
         "deferred_volume=<Synchronize software and hardware volume changes to avoid momentary jumps?> "
         "profile_set=<profile set configuration file> "
         "paths_dir=<directory containing the path configuration files> "
+        "use_ucm=<load use case manager> "
 );
 
 static const char* const valid_modargs[] = {
@@ -95,6 +97,7 @@ static const char* const valid_modargs[] = {
     "deferred_volume",
     "profile_set",
     "paths_dir",
+    "use_ucm",
     NULL
 };
 
@@ -117,6 +120,10 @@ struct userdata {
     pa_modargs *modargs;
 
     pa_alsa_profile_set *profile_set;
+
+    /* ucm stuffs */
+    pa_bool_t use_ucm;
+    pa_alsa_ucm_config ucm;
 };
 
 struct profile_data {
@@ -126,6 +133,7 @@ struct profile_data {
 static void add_profiles(struct userdata *u, pa_hashmap *h, pa_hashmap *ports) {
     pa_alsa_profile *ap;
     void *state;
+    int *dev_indices;
 
     pa_assert(u);
     pa_assert(h);
@@ -143,7 +151,13 @@ static void add_profiles(struct userdata *u, pa_hashmap *h, pa_hashmap *ports) {
             cp->n_sinks = pa_idxset_size(ap->output_mappings);
 
             PA_IDXSET_FOREACH(m, ap->output_mappings, idx) {
-                pa_alsa_path_set_add_ports(m->output_path_set, cp, ports, NULL, u->core);
+                if (u->use_ucm) {
+                    dev_indices = pa_xnew(int, m->ucm_context.ucm_devices_num);
+                    pa_ucm_add_ports_combination(NULL, &m->ucm_context, 1, dev_indices, 0, 0, ports, cp, u->core);
+                    pa_xfree(dev_indices);
+                }
+                else
+                    pa_alsa_path_set_add_ports(m->output_path_set, cp, ports, NULL, u->core);
                 if (m->channel_map.channels > cp->max_sink_channels)
                     cp->max_sink_channels = m->channel_map.channels;
             }
@@ -153,7 +167,13 @@ static void add_profiles(struct userdata *u, pa_hashmap *h, pa_hashmap *ports) {
             cp->n_sources = pa_idxset_size(ap->input_mappings);
 
             PA_IDXSET_FOREACH(m, ap->input_mappings, idx) {
-                pa_alsa_path_set_add_ports(m->input_path_set, cp, ports, NULL, u->core);
+                if (u->use_ucm) {
+                    dev_indices = pa_xnew(int, m->ucm_context.ucm_devices_num);
+                    pa_ucm_add_ports_combination(NULL, &m->ucm_context, 0, dev_indices, 0, 0, ports, cp, u->core);
+                    pa_xfree(dev_indices);
+                }
+                else
+                    pa_alsa_path_set_add_ports(m->input_path_set, cp, ports, NULL, u->core);
                 if (m->channel_map.channels > cp->max_source_channels)
                     cp->max_source_channels = m->channel_map.channels;
             }
@@ -222,6 +242,13 @@ static int card_set_profile(pa_card *c, pa_card_profile *new_profile) {
             am->source = NULL;
         }
 
+    /* if UCM is available for this card then update the verb */
+    if (u->use_ucm) {
+        if (pa_ucm_set_profile(&u->ucm, nd->profile ? nd->profile->name : NULL,
+                    od->profile ? od->profile->name : NULL) < 0)
+            return -1;
+    }
+
     if (nd->profile && nd->profile->output_mappings)
         PA_IDXSET_FOREACH(am, nd->profile->output_mappings, idx) {
 
@@ -259,11 +286,20 @@ static void init_profile(struct userdata *u) {
     uint32_t idx;
     pa_alsa_mapping *am;
     struct profile_data *d;
+    struct pa_alsa_ucm_config *ucm = &u->ucm;
 
     pa_assert(u);
 
     d = PA_CARD_PROFILE_DATA(u->card->active_profile);
 
+    if (d->profile && u->use_ucm) {
+        /* Set initial verb */
+        if (pa_ucm_set_profile(ucm, d->profile->name, NULL) < 0) {
+            pa_log("failed to set ucm profile %s", d->profile->name);
+            return;
+        }
+    }
+
     if (d->profile && d->profile->output_mappings)
         PA_IDXSET_FOREACH(am, d->profile->output_mappings, idx)
             am->sink = pa_alsa_sink_new(u->module, u->modargs, __FILE__, u->card, am);
@@ -408,6 +444,74 @@ static void set_card_name(pa_card_new_data *data, pa_modargs *ma, const char *de
     pa_xfree(t);
 }
 
+static int card_query_ucm_profiles(struct userdata *u, int card_index)
+{
+    char *card_name;
+    const char **verb_list;
+    int num_verbs, i, err=0;
+
+    /* is UCM available for this card ? */
+    if(snd_card_get_name(card_index, &card_name) < 0)
+    {
+        pa_log("Card can't get card_name from card_index %d", card_index);
+        err = -1;
+        goto name_fail;
+    }
+    err = snd_use_case_mgr_open(&u->ucm.ucm_mgr, card_name);
+    if (err < 0) {
+        pa_log("UCM not available for card %s", card_name);
+        err = -1;
+        goto ucm_mgr_fail;
+    }
+
+    pa_log_info("UCM available for card %s", card_name);
+
+    /* get a list of all UCM verbs (profiles) for this card */
+    num_verbs = snd_use_case_verb_list(u->ucm.ucm_mgr, &verb_list);
+    if (num_verbs <= 0) {
+        pa_log("UCM verb list not found for %s", card_name);
+        err = -1;
+        goto ucm_verb_fail;
+    }
+
+    /* get the properties of each UCM verb */
+    for (i = 0; i < num_verbs; i += 2) {
+        struct pa_alsa_ucm_verb *verb;
+
+        /* Get devices and modifiers for each verb */
+        err = pa_ucm_get_verb(u->ucm.ucm_mgr, verb_list[i], verb_list[i+1], &verb);
+        if (err < 0) {
+            pa_log("Failed to get the verb %s", verb_list[i]);
+            continue;
+        }
+        PA_LLIST_PREPEND(pa_alsa_ucm_verb, u->ucm.verbs, verb);
+    }
+
+    if(u->ucm.verbs)
+    {
+        /* create the profile set for the UCM card */
+        u->profile_set = pa_ucm_add_profile_set(&u->ucm, &u->core->default_channel_map);
+        pa_alsa_profile_set_dump(u->profile_set);
+        err = 0;
+    }
+    else
+    {
+        pa_log("No UCM verb is valid for %s", card_name);
+        err = -1;
+    }
+    snd_use_case_free_list(verb_list, num_verbs);
+ucm_verb_fail:
+    if(err < 0)
+    {
+        snd_use_case_mgr_close(u->ucm.ucm_mgr);
+        u->ucm.ucm_mgr = NULL;
+    }
+ucm_mgr_fail:
+    free(card_name);
+name_fail:
+    return err;
+}
+
 int pa__init(pa_module *m) {
     pa_card_new_data data;
     pa_modargs *ma;
@@ -456,18 +560,25 @@ int pa__init(pa_module *m) {
         }
     }
 
+    pa_modargs_get_value_boolean(ma, "use_ucm", &u->use_ucm);
+    if (u->use_ucm && !card_query_ucm_profiles(u, u->alsa_card_index)) {
+        pa_log_info("Found UCM profiles");
+    }
+    else {
+        u->use_ucm = FALSE;
 #ifdef HAVE_UDEV
-    fn = pa_udev_get_property(u->alsa_card_index, "PULSE_PROFILE_SET");
+        fn = pa_udev_get_property(u->alsa_card_index, "PULSE_PROFILE_SET");
 #endif
 
-    if (pa_modargs_get_value(ma, "profile_set", NULL)) {
+        if (pa_modargs_get_value(ma, "profile_set", NULL)) {
+            pa_xfree(fn);
+            fn = pa_xstrdup(pa_modargs_get_value(ma, "profile_set", NULL));
+        }
+
+        u->profile_set = pa_alsa_profile_set_new(fn, &u->core->default_channel_map);
         pa_xfree(fn);
-        fn = pa_xstrdup(pa_modargs_get_value(ma, "profile_set", NULL));
     }
 
-    u->profile_set = pa_alsa_profile_set_new(fn, &u->core->default_channel_map);
-    pa_xfree(fn);
-
     u->profile_set->ignore_dB = ignore_dB;
 
     if (!u->profile_set)
@@ -605,6 +716,8 @@ void pa__done(pa_module*m) {
             pa_alsa_source_free(s);
     }
 
+    pa_ucm_free(&u->ucm);
+
     if (u->card)
         pa_card_free(u->card);
 
diff --git a/src/pulse/proplist.h b/src/pulse/proplist.h
index 359212a..c81e6bc 100644
--- a/src/pulse/proplist.h
+++ b/src/pulse/proplist.h
@@ -257,6 +257,51 @@ PA_C_DECL_BEGIN
 /** For modules: a version string for the module. e.g. "0.9.15" */
 #define PA_PROP_MODULE_VERSION                 "module.version"
 
+/** For devices: List of verbs, devices or modifiers availables */
+#define PA_PROP_UCM_NAME                       "ucm.name"
+
+/** For devices: List of supported devices per verb*/
+#define PA_PROP_UCM_DESCRIPTION                "ucm.description"
+
+/** For devices: Playback device name e.g PlaybackPCM */
+#define PA_PROP_UCM_SINK                       "ucm.sink"
+
+/** For devices: Capture device name e.g CapturePCM*/
+#define PA_PROP_UCM_SOURCE                     "ucm.source"
+
+/** For devices: Playback roles */
+#define PA_PROP_UCM_PLAYBACK_ROLES             "ucm.playback.roles"
+
+/** For devices: Playback control volume ID string. e.g PlaybackVolume */
+#define PA_PROP_UCM_PLAYBACK_VOLUME            "ucm.playback.volume"
+
+/** For devices: Playback switch e.g PlaybackSwitch */
+#define PA_PROP_UCM_PLAYBACK_SWITCH            "ucm.playback.switch"
+
+/** For devices: Playback priority */
+#define PA_PROP_UCM_PLAYBACK_PRIORITY          "ucm.playback.priority"
+
+/** For devices: Playback channels */
+#define PA_PROP_UCM_PLAYBACK_CHANNELS          "ucm.playback.channels"
+
+/** For devices: Capture roles */
+#define PA_PROP_UCM_CAPTURE_ROLES              "ucm.capture.roles"
+
+/** For devices: Capture controls volume ID string. e.g CaptureVolume */
+#define PA_PROP_UCM_CAPTURE_VOLUME             "ucm.capture.volume"
+
+/** For devices: Capture switch e.g CaptureSwitch */
+#define PA_PROP_UCM_CAPTURE_SWITCH             "ucm.capture.switch"
+
+/** For devices: Capture priority */
+#define PA_PROP_UCM_CAPTURE_PRIORITY           "ucm.capture.priority"
+
+/** For devices: Capture channels */
+#define PA_PROP_UCM_CAPTURE_CHANNELS           "ucm.capture.channels"
+
+/** For devices: Quality of Service */
+#define PA_PROP_UCM_QOS                        "ucm.qos"
+
 /** For PCM formats: the sample format used as returned by pa_sample_format_to_string() \since 1.0 */
 #define PA_PROP_FORMAT_SAMPLE_FORMAT           "format.sample_format"
 
