1 files changed, 448 insertions, 42 deletions

diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
index 5fbfb06e808..10f7f1da2ac 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -24,15 +24,16 @@
 #include <sound/compress_driver.h>
 #include <sound/soc.h>
 #include <sound/initval.h>
+#include <sound/soc-dpcm.h>
 
 static int soc_compr_open(struct snd_compr_stream *cstream)
 {
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
 	struct snd_soc_platform *platform = rtd->platform;
-	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	int ret = 0;
 
+	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
 	if (platform->driver->compr_ops && platform->driver->compr_ops->open) {
 		ret = platform->driver->compr_ops->open(cstream);
 		if (ret < 0) {
@@ -49,48 +50,146 @@ static int soc_compr_open(struct snd_compr_stream *cstream)
 		}
 	}
 
-	if (cstream->direction == SND_COMPRESS_PLAYBACK) {
-		cpu_dai->playback_active++;
-		codec_dai->playback_active++;
-	} else {
-		cpu_dai->capture_active++;
-		codec_dai->capture_active++;
+	snd_soc_runtime_activate(rtd, cstream->direction);
+
+	mutex_unlock(&rtd->pcm_mutex);
+
+	return 0;
+
+machine_err:
+	if (platform->driver->compr_ops && platform->driver->compr_ops->free)
+		platform->driver->compr_ops->free(cstream);
+out:
+	mutex_unlock(&rtd->pcm_mutex);
+	return ret;
+}
+
+static int soc_compr_open_fe(struct snd_compr_stream *cstream)
+{
+	struct snd_soc_pcm_runtime *fe = cstream->private_data;
+	struct snd_pcm_substream *fe_substream = fe->pcm->streams[0].substream;
+	struct snd_soc_platform *platform = fe->platform;
+	struct snd_soc_dpcm *dpcm;
+	struct snd_soc_dapm_widget_list *list;
+	int stream;
+	int ret = 0;
+
+	if (cstream->direction == SND_COMPRESS_PLAYBACK)
+		stream = SNDRV_PCM_STREAM_PLAYBACK;
+	else
+		stream = SNDRV_PCM_STREAM_CAPTURE;
+
+	mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
+
+	if (platform->driver->compr_ops && platform->driver->compr_ops->open) {
+		ret = platform->driver->compr_ops->open(cstream);
+		if (ret < 0) {
+			pr_err("compress asoc: can't open platform %s\n", platform->name);
+			goto out;
+		}
+	}
+
+	if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->startup) {
+		ret = fe->dai_link->compr_ops->startup(cstream);
+		if (ret < 0) {
+			pr_err("compress asoc: %s startup failed\n", fe->dai_link->name);
+			goto machine_err;
+		}
+	}
+
+	fe->dpcm[stream].runtime = fe_substream->runtime;
+
+	if (dpcm_path_get(fe, stream, &list) <= 0) {
+		dev_dbg(fe->dev, "ASoC: %s no valid %s route\n",
+			fe->dai_link->name, stream ? "capture" : "playback");
+	}
+
+	/* calculate valid and active FE <-> BE dpcms */
+	dpcm_process_paths(fe, stream, &list, 1);
+
+	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+
+	ret = dpcm_be_dai_startup(fe, stream);
+	if (ret < 0) {
+		/* clean up all links */
+		list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be)
+			dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE;
+
+		dpcm_be_disconnect(fe, stream);
+		fe->dpcm[stream].runtime = NULL;
+		goto fe_err;
 	}
 
-	cpu_dai->active++;
-	codec_dai->active++;
-	rtd->codec->active++;
+	dpcm_clear_pending_state(fe, stream);
+	dpcm_path_put(&list);
+
+	fe->dpcm[stream].state = SND_SOC_DPCM_STATE_OPEN;
+	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+
+	snd_soc_runtime_activate(fe, stream);
+
+	mutex_unlock(&fe->card->mutex);
 
 	return 0;
 
+fe_err:
+	if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown)
+		fe->dai_link->compr_ops->shutdown(cstream);
 machine_err:
 	if (platform->driver->compr_ops && platform->driver->compr_ops->free)
 		platform->driver->compr_ops->free(cstream);
 out:
+	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+	mutex_unlock(&fe->card->mutex);
 	return ret;
 }
 
+/*
+ * Power down the audio subsystem pmdown_time msecs after close is called.
+ * This is to ensure there are no pops or clicks in between any music tracks
+ * due to DAPM power cycling.
+ */
+static void close_delayed_work(struct work_struct *work)
+{
+	struct snd_soc_pcm_runtime *rtd =
+			container_of(work, struct snd_soc_pcm_runtime, delayed_work.work);
+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+
+	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
+	dev_dbg(rtd->dev, "ASoC: pop wq checking: %s status: %s waiting: %s\n",
+		 codec_dai->driver->playback.stream_name,
+		 codec_dai->playback_active ? "active" : "inactive",
+		 rtd->pop_wait ? "yes" : "no");
+
+	/* are we waiting on this codec DAI stream */
+	if (rtd->pop_wait == 1) {
+		rtd->pop_wait = 0;
+		snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK,
+					  SND_SOC_DAPM_STREAM_STOP);
+	}
+
+	mutex_unlock(&rtd->pcm_mutex);
+}
+
 static int soc_compr_free(struct snd_compr_stream *cstream)
 {
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
 	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	struct snd_soc_codec *codec = rtd->codec;
+	int stream;
 
-	if (cstream->direction == SND_COMPRESS_PLAYBACK) {
-		cpu_dai->playback_active--;
-		codec_dai->playback_active--;
-	} else {
-		cpu_dai->capture_active--;
-		codec_dai->capture_active--;
-	}
+	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
+	if (cstream->direction == SND_COMPRESS_PLAYBACK)
+		stream = SNDRV_PCM_STREAM_PLAYBACK;
+	else
+		stream = SNDRV_PCM_STREAM_CAPTURE;
 
-	snd_soc_dai_digital_mute(codec_dai, 1);
+	snd_soc_runtime_deactivate(rtd, stream);
 
-	cpu_dai->active--;
-	codec_dai->active--;
-	codec->active--;
+	snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction);
 
 	if (!cpu_dai->active)
 		cpu_dai->rate = 0;
@@ -104,18 +203,18 @@ static int soc_compr_free(struct snd_compr_stream *cstream)
 
 	if (platform->driver->compr_ops && platform->driver->compr_ops->free)
 		platform->driver->compr_ops->free(cstream);
-	cpu_dai->runtime = NULL;
 
 	if (cstream->direction == SND_COMPRESS_PLAYBACK) {
-		if (!rtd->pmdown_time || codec->ignore_pmdown_time ||
-		    rtd->dai_link->ignore_pmdown_time) {
+		if (snd_soc_runtime_ignore_pmdown_time(rtd)) {
 			snd_soc_dapm_stream_event(rtd,
 					SNDRV_PCM_STREAM_PLAYBACK,
 					SND_SOC_DAPM_STREAM_STOP);
-		} else
+		} else {
 			rtd->pop_wait = 1;
-			schedule_delayed_work(&rtd->delayed_work,
-				msecs_to_jiffies(rtd->pmdown_time));
+			queue_delayed_work(system_power_efficient_wq,
+					   &rtd->delayed_work,
+					   msecs_to_jiffies(rtd->pmdown_time));
+		}
 	} else {
 		/* capture streams can be powered down now */
 		snd_soc_dapm_stream_event(rtd,
@@ -123,6 +222,57 @@ static int soc_compr_free(struct snd_compr_stream *cstream)
 			SND_SOC_DAPM_STREAM_STOP);
 	}
 
+	mutex_unlock(&rtd->pcm_mutex);
+	return 0;
+}
+
+static int soc_compr_free_fe(struct snd_compr_stream *cstream)
+{
+	struct snd_soc_pcm_runtime *fe = cstream->private_data;
+	struct snd_soc_platform *platform = fe->platform;
+	struct snd_soc_dpcm *dpcm;
+	int stream, ret;
+
+	mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
+
+	if (cstream->direction == SND_COMPRESS_PLAYBACK)
+		stream = SNDRV_PCM_STREAM_PLAYBACK;
+	else
+		stream = SNDRV_PCM_STREAM_CAPTURE;
+
+	snd_soc_runtime_deactivate(fe, stream);
+
+	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+
+	ret = dpcm_be_dai_hw_free(fe, stream);
+	if (ret < 0)
+		dev_err(fe->dev, "compressed hw_free failed %d\n", ret);
+
+	ret = dpcm_be_dai_shutdown(fe, stream);
+
+	/* mark FE's links ready to prune */
+	list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be)
+		dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE;
+
+	if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+		dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP);
+	else
+		dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP);
+
+	fe->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE;
+	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+
+	dpcm_be_disconnect(fe, stream);
+
+	fe->dpcm[stream].runtime = NULL;
+
+	if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown)
+		fe->dai_link->compr_ops->shutdown(cstream);
+
+	if (platform->driver->compr_ops && platform->driver->compr_ops->free)
+		platform->driver->compr_ops->free(cstream);
+
+	mutex_unlock(&fe->card->mutex);
 	return 0;
 }
 
@@ -134,17 +284,79 @@ static int soc_compr_trigger(struct snd_compr_stream *cstream, int cmd)
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	int ret = 0;
 
+	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
+	if (platform->driver->compr_ops && platform->driver->compr_ops->trigger) {
+		ret = platform->driver->compr_ops->trigger(cstream, cmd);
+		if (ret < 0)
+			goto out;
+	}
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+		snd_soc_dai_digital_mute(codec_dai, 0, cstream->direction);
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+		snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction);
+		break;
+	}
+
+out:
+	mutex_unlock(&rtd->pcm_mutex);
+	return ret;
+}
+
+static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd)
+{
+	struct snd_soc_pcm_runtime *fe = cstream->private_data;
+	struct snd_soc_platform *platform = fe->platform;
+	int ret = 0, stream;
+
+	if (cmd == SND_COMPR_TRIGGER_PARTIAL_DRAIN ||
+		cmd == SND_COMPR_TRIGGER_DRAIN) {
+
+		if (platform->driver->compr_ops &&
+		    platform->driver->compr_ops->trigger)
+			return platform->driver->compr_ops->trigger(cstream,
+								    cmd);
+	}
+
+	if (cstream->direction == SND_COMPRESS_PLAYBACK)
+		stream = SNDRV_PCM_STREAM_PLAYBACK;
+	else
+		stream = SNDRV_PCM_STREAM_CAPTURE;
+
+
+	mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
+
 	if (platform->driver->compr_ops && platform->driver->compr_ops->trigger) {
 		ret = platform->driver->compr_ops->trigger(cstream, cmd);
 		if (ret < 0)
-			return ret;
+			goto out;
 	}
 
-	if (cmd == SNDRV_PCM_TRIGGER_START)
-		snd_soc_dai_digital_mute(codec_dai, 0);
-	else if (cmd == SNDRV_PCM_TRIGGER_STOP)
-		snd_soc_dai_digital_mute(codec_dai, 1);
+	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
+
+	ret = dpcm_be_dai_trigger(fe, stream, cmd);
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		fe->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+		fe->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP;
+		break;
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PAUSED;
+		break;
+	}
 
+out:
+	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+	mutex_unlock(&fe->card->mutex);
 	return ret;
 }
 
@@ -155,6 +367,8 @@ static int soc_compr_set_params(struct snd_compr_stream *cstream,
 	struct snd_soc_platform *platform = rtd->platform;
 	int ret = 0;
 
+	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
 	/* first we call set_params for the platform driver
 	 * this should configure the soc side
 	 * if the machine has compressed ops then we call that as well
@@ -164,18 +378,90 @@ static int soc_compr_set_params(struct snd_compr_stream *cstream,
 	if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) {
 		ret = platform->driver->compr_ops->set_params(cstream, params);
 		if (ret < 0)
-			return ret;
+			goto err;
 	}
 
 	if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->set_params) {
 		ret = rtd->dai_link->compr_ops->set_params(cstream);
 		if (ret < 0)
-			return ret;
+			goto err;
+	}
+
+	if (cstream->direction == SND_COMPRESS_PLAYBACK)
+		snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK,
+					SND_SOC_DAPM_STREAM_START);
+	else
+		snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_CAPTURE,
+					SND_SOC_DAPM_STREAM_START);
+
+	/* cancel any delayed stream shutdown that is pending */
+	rtd->pop_wait = 0;
+	mutex_unlock(&rtd->pcm_mutex);
+
+	cancel_delayed_work_sync(&rtd->delayed_work);
+
+	return ret;
+
+err:
+	mutex_unlock(&rtd->pcm_mutex);
+	return ret;
+}
+
+static int soc_compr_set_params_fe(struct snd_compr_stream *cstream,
+					struct snd_compr_params *params)
+{
+	struct snd_soc_pcm_runtime *fe = cstream->private_data;
+	struct snd_pcm_substream *fe_substream = fe->pcm->streams[0].substream;
+	struct snd_soc_platform *platform = fe->platform;
+	int ret = 0, stream;
+
+	if (cstream->direction == SND_COMPRESS_PLAYBACK)
+		stream = SNDRV_PCM_STREAM_PLAYBACK;
+	else
+		stream = SNDRV_PCM_STREAM_CAPTURE;
+
+	mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
+
+	if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) {
+		ret = platform->driver->compr_ops->set_params(cstream, params);
+		if (ret < 0)
+			goto out;
+	}
+
+	if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->set_params) {
+		ret = fe->dai_link->compr_ops->set_params(cstream);
+		if (ret < 0)
+			goto out;
 	}
 
-	snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK,
-				SND_SOC_DAPM_STREAM_START);
+	/*
+	 * Create an empty hw_params for the BE as the machine driver must
+	 * fix this up to match DSP decoder and ASRC configuration.
+	 * I.e. machine driver fixup for compressed BE is mandatory.
+	 */
+	memset(&fe->dpcm[fe_substream->stream].hw_params, 0,
+		sizeof(struct snd_pcm_hw_params));
+
+	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
 
+	ret = dpcm_be_dai_hw_params(fe, stream);
+	if (ret < 0)
+		goto out;
+
+	ret = dpcm_be_dai_prepare(fe, stream);
+	if (ret < 0)
+		goto out;
+
+	if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+		dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_START);
+	else
+		dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_START);
+
+	fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PREPARE;
+
+out:
+	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
+	mutex_unlock(&fe->card->mutex);
 	return ret;
 }
 
@@ -186,9 +472,12 @@ static int soc_compr_get_params(struct snd_compr_stream *cstream,
 	struct snd_soc_platform *platform = rtd->platform;
 	int ret = 0;
 
+	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
 	if (platform->driver->compr_ops && platform->driver->compr_ops->get_params)
 		ret = platform->driver->compr_ops->get_params(cstream, params);
 
+	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
 }
 
@@ -199,9 +488,12 @@ static int soc_compr_get_caps(struct snd_compr_stream *cstream,
 	struct snd_soc_platform *platform = rtd->platform;
 	int ret = 0;
 
+	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
 	if (platform->driver->compr_ops && platform->driver->compr_ops->get_caps)
 		ret = platform->driver->compr_ops->get_caps(cstream, caps);
 
+	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
 }
 
@@ -212,9 +504,12 @@ static int soc_compr_get_codec_caps(struct snd_compr_stream *cstream,
 	struct snd_soc_platform *platform = rtd->platform;
 	int ret = 0;
 
+	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
 	if (platform->driver->compr_ops && platform->driver->compr_ops->get_codec_caps)
 		ret = platform->driver->compr_ops->get_codec_caps(cstream, codec);
 
+	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
 }
 
@@ -224,9 +519,12 @@ static int soc_compr_ack(struct snd_compr_stream *cstream, size_t bytes)
 	struct snd_soc_platform *platform = rtd->platform;
 	int ret = 0;
 
+	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
 	if (platform->driver->compr_ops && platform->driver->compr_ops->ack)
 		ret = platform->driver->compr_ops->ack(cstream, bytes);
 
+	mutex_unlock(&rtd->pcm_mutex);
 	return ret;
 }
 
@@ -236,17 +534,64 @@ static int soc_compr_pointer(struct snd_compr_stream *cstream,
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
 	struct snd_soc_platform *platform = rtd->platform;
 
+	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
 	if (platform->driver->compr_ops && platform->driver->compr_ops->pointer)
 		 platform->driver->compr_ops->pointer(cstream, tstamp);
 
+	mutex_unlock(&rtd->pcm_mutex);
 	return 0;
 }
 
+static int soc_compr_copy(struct snd_compr_stream *cstream,
+			  char __user *buf, size_t count)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct snd_soc_platform *platform = rtd->platform;
+	int ret = 0;
+
+	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
+
+	if (platform->driver->compr_ops && platform->driver->compr_ops->copy)
+		ret = platform->driver->compr_ops->copy(cstream, buf, count);
+
+	mutex_unlock(&rtd->pcm_mutex);
+	return ret;
+}
+
+static int soc_compr_set_metadata(struct snd_compr_stream *cstream,
+				struct snd_compr_metadata *metadata)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct snd_soc_platform *platform = rtd->platform;
+	int ret = 0;
+
+	if (platform->driver->compr_ops && platform->driver->compr_ops->set_metadata)
+		ret = platform->driver->compr_ops->set_metadata(cstream, metadata);
+
+	return ret;
+}
+
+static int soc_compr_get_metadata(struct snd_compr_stream *cstream,
+				struct snd_compr_metadata *metadata)
+{
+	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+	struct snd_soc_platform *platform = rtd->platform;
+	int ret = 0;
+
+	if (platform->driver->compr_ops && platform->driver->compr_ops->get_metadata)
+		ret = platform->driver->compr_ops->get_metadata(cstream, metadata);
+
+	return ret;
+}
+
 /* ASoC Compress operations */
 static struct snd_compr_ops soc_compr_ops = {
 	.open		= soc_compr_open,
 	.free		= soc_compr_free,
 	.set_params	= soc_compr_set_params,
+	.set_metadata   = soc_compr_set_metadata,
+	.get_metadata	= soc_compr_get_metadata,
 	.get_params	= soc_compr_get_params,
 	.trigger	= soc_compr_trigger,
 	.pointer	= soc_compr_pointer,
@@ -255,40 +600,101 @@ static struct snd_compr_ops soc_compr_ops = {
 	.get_codec_caps = soc_compr_get_codec_caps
 };
 
+/* ASoC Dynamic Compress operations */
+static struct snd_compr_ops soc_compr_dyn_ops = {
+	.open		= soc_compr_open_fe,
+	.free		= soc_compr_free_fe,
+	.set_params	= soc_compr_set_params_fe,
+	.get_params	= soc_compr_get_params,
+	.set_metadata   = soc_compr_set_metadata,
+	.get_metadata	= soc_compr_get_metadata,
+	.trigger	= soc_compr_trigger_fe,
+	.pointer	= soc_compr_pointer,
+	.ack		= soc_compr_ack,
+	.get_caps	= soc_compr_get_caps,
+	.get_codec_caps = soc_compr_get_codec_caps
+};
+
 /* create a new compress */
 int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
 {
 	struct snd_soc_codec *codec = rtd->codec;
+	struct snd_soc_platform *platform = rtd->platform;
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 	struct snd_compr *compr;
+	struct snd_pcm *be_pcm;
 	char new_name[64];
 	int ret = 0, direction = 0;
 
 	/* check client and interface hw capabilities */
 	snprintf(new_name, sizeof(new_name), "%s %s-%d",
 			rtd->dai_link->stream_name, codec_dai->name, num);
-	direction = SND_COMPRESS_PLAYBACK;
+
+	if (codec_dai->driver->playback.channels_min)
+		direction = SND_COMPRESS_PLAYBACK;
+	else if (codec_dai->driver->capture.channels_min)
+		direction = SND_COMPRESS_CAPTURE;
+	else
+		return -EINVAL;
+
 	compr = kzalloc(sizeof(*compr), GFP_KERNEL);
 	if (compr == NULL) {
 		snd_printk(KERN_ERR "Cannot allocate compr\n");
 		return -ENOMEM;
 	}
 
-	compr->ops = &soc_compr_ops;
+	compr->ops = devm_kzalloc(rtd->card->dev, sizeof(soc_compr_ops),
+				  GFP_KERNEL);
+	if (compr->ops == NULL) {
+		dev_err(rtd->card->dev, "Cannot allocate compressed ops\n");
+		ret = -ENOMEM;
+		goto compr_err;
+	}
+
+	if (rtd->dai_link->dynamic) {
+		snprintf(new_name, sizeof(new_name), "(%s)",
+			rtd->dai_link->stream_name);
+
+		ret = snd_pcm_new_internal(rtd->card->snd_card, new_name, num,
+				1, 0, &be_pcm);
+		if (ret < 0) {
+			dev_err(rtd->card->dev, "ASoC: can't create compressed for %s\n",
+				rtd->dai_link->name);
+			goto compr_err;
+		}
+
+		rtd->pcm = be_pcm;
+		rtd->fe_compr = 1;
+		be_pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream->private_data = rtd;
+		be_pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream->private_data = rtd;
+		memcpy(compr->ops, &soc_compr_dyn_ops, sizeof(soc_compr_dyn_ops));
+	} else
+		memcpy(compr->ops, &soc_compr_ops, sizeof(soc_compr_ops));
+
+	/* Add copy callback for not memory mapped DSPs */
+	if (platform->driver->compr_ops && platform->driver->compr_ops->copy)
+		compr->ops->copy = soc_compr_copy;
+
 	mutex_init(&compr->lock);
 	ret = snd_compress_new(rtd->card->snd_card, num, direction, compr);
 	if (ret < 0) {
 		pr_err("compress asoc: can't create compress for codec %s\n",
 			codec->name);
-		kfree(compr);
-		return ret;
+		goto compr_err;
 	}
 
+	/* DAPM dai link stream work */
+	INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work);
+
 	rtd->compr = compr;
 	compr->private_data = rtd;
 
 	printk(KERN_INFO "compress asoc: %s <-> %s mapping ok\n", codec_dai->name,
 		cpu_dai->name);
 	return ret;
+
+compr_err:
+	kfree(compr);
+	return ret;
 }