diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index d20cd89513a4..aa6e47beaec3 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -3764,25 +3764,12 @@ int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm,
 }
 EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls);
 
-static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
-				  struct snd_kcontrol *kcontrol, int event)
+static int
+snd_soc_dai_link_prepare_params(struct snd_soc_dapm_widget *w,
+				struct snd_pcm_hw_params *params,
+				const struct snd_soc_pcm_stream *config)
 {
-	struct snd_soc_dapm_path *path;
-	struct snd_soc_dai *source, *sink;
-	struct snd_soc_pcm_runtime *rtd = w->priv;
-	const struct snd_soc_pcm_stream *config;
-	struct snd_pcm_substream substream;
-	struct snd_pcm_hw_params *params = NULL;
-	struct snd_pcm_runtime *runtime = NULL;
 	unsigned int fmt;
-	int ret = 0;
-
-	config = rtd->dai_link->params + rtd->params_select;
-
-	if (WARN_ON(!config) ||
-	    WARN_ON(list_empty(&w->edges[SND_SOC_DAPM_DIR_OUT]) ||
-		    list_empty(&w->edges[SND_SOC_DAPM_DIR_IN])))
-		return -EINVAL;
 
 	/* Be a little careful as we don't want to overflow the mask array */
 	if (config->formats) {
@@ -3791,26 +3778,41 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
 		dev_warn(w->dapm->dev, "ASoC: Invalid format %llx specified\n",
 			 config->formats);
 		fmt = 0;
-	}
 
-	/* Currently very limited parameter selection */
-	params = kzalloc(sizeof(*params), GFP_KERNEL);
-	if (!params) {
-		ret = -ENOMEM;
-		goto out;
+		return -EINVAL;
 	}
-	snd_mask_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), fmt);
 
+	memset(params, 0, sizeof(*params));
+
+	snd_mask_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), fmt);
 	hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min =
 		config->rate_min;
 	hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->max =
 		config->rate_max;
-
 	hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->min
 		= config->channels_min;
 	hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->max
 		= config->channels_max;
 
+	return 0;
+}
+
+static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
+				  struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_dapm_path *path;
+	struct snd_soc_dai *source, *sink;
+	struct snd_soc_pcm_runtime *rtd = w->priv;
+	const struct snd_soc_pcm_stream *config;
+	struct snd_pcm_substream substream;
+	struct snd_pcm_hw_params params;
+	struct snd_pcm_runtime *runtime = NULL;
+	int ret = 0;
+
+	if (WARN_ON(list_empty(&w->edges[SND_SOC_DAPM_DIR_OUT]) ||
+		    list_empty(&w->edges[SND_SOC_DAPM_DIR_IN])))
+		return -EINVAL;
+
 	memset(&substream, 0, sizeof(substream));
 
 	/* Allocate a dummy snd_pcm_runtime for startup() and other ops() */
@@ -3850,27 +3852,47 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
 			sink->active++;
 		}
 
+		/*
+		 * Note: getting the config after .startup() gives a chance to
+		 * either party on the link to alter the configuration if
+		 * necessary
+		 */
+		config = rtd->dai_link->params + rtd->params_select;
+		if (WARN_ON(!config)) {
+			dev_err(w->dapm->dev, "ASoC: link config missing\n");
+			ret = -EINVAL;
+			goto out;
+		}
+
+		ret = snd_soc_dai_link_prepare_params(w, &params, config);
+		if (ret < 0) {
+			dev_err(w->dapm->dev, "ASoC: link params prepare failed: %d\n",
+				ret);
+			goto out;
+		}
+
 		substream.stream = SNDRV_PCM_STREAM_CAPTURE;
 		snd_soc_dapm_widget_for_each_source_path(w, path) {
 			source = path->source->priv;
 
-			ret = soc_dai_hw_params(&substream, params, source);
+			ret = soc_dai_hw_params(&substream, &params, source);
 			if (ret < 0)
 				goto out;
 
-			dapm_update_dai_unlocked(&substream, params, source);
+			dapm_update_dai_unlocked(&substream, &params, source);
 		}
 
 		substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
 		snd_soc_dapm_widget_for_each_sink_path(w, path) {
 			sink = path->sink->priv;
 
-			ret = soc_dai_hw_params(&substream, params, sink);
+			ret = soc_dai_hw_params(&substream, &params, sink);
 			if (ret < 0)
 				goto out;
 
-			dapm_update_dai_unlocked(&substream, params, sink);
+			dapm_update_dai_unlocked(&substream, &params, sink);
 		}
+
 		break;
 
 	case SND_SOC_DAPM_POST_PMU:
@@ -3932,7 +3954,6 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
 
 out:
 	kfree(runtime);
-	kfree(params);
 	return ret;
 }
 
