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ASoC: SOF: Intel: hda: Remove link assignment limitation

Message ID 20220128130017.28508-1-peter.ujfalusi@linux.intel.com
State New
Headers show
Series ASoC: SOF: Intel: hda: Remove link assignment limitation | expand

Commit Message

Peter Ujfalusi Jan. 28, 2022, 1 p.m. UTC 
From: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>

The limitation to assign a link DMA channel for a BE iff the
corresponding host DMA channel is assigned to a connected FE is only
applicable if the PROCEN_FMT_QUIRK is set. So, remove it for platforms
that do not enable the quirk.

Complements: a792bfc1c2bc ("ASoC: SOF: Intel: hda-stream: limit PROCEN workaround")
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
---
 sound/soc/sof/intel/hda-dai.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
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Patch

diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c
index cd12589355ef..28a54145c150 100644
--- a/sound/soc/sof/intel/hda-dai.c
+++ b/sound/soc/sof/intel/hda-dai.c
@@ -59,6 +59,8 @@  static struct hdac_ext_stream *
 {
 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct sof_intel_hda_stream *hda_stream;
+	const struct sof_intel_dsp_desc *chip;
+	struct snd_sof_dev *sdev;
 	struct hdac_ext_stream *res = NULL;
 	struct hdac_stream *stream = NULL;
 
@@ -77,9 +79,20 @@  static struct hdac_ext_stream *
 			continue;
 
 		hda_stream = hstream_to_sof_hda_stream(hstream);
+		sdev = hda_stream->sdev;
+		chip = get_chip_info(sdev->pdata);
 
 		/* check if link is available */
 		if (!hstream->link_locked) {
+			/*
+			 * choose the first available link for platforms that do not have the
+			 * PROCEN_FMT_QUIRK set.
+			 */
+			if (!(chip->quirks & SOF_INTEL_PROCEN_FMT_QUIRK)) {
+				res = hstream;
+				break;
+			}
+
 			if (stream->opened) {
 				/*
 				 * check if the stream tag matches the stream