Patch "ASoC: compress: Derive substream from stream based on direction" has been added to the 4.9-stable tree

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This is a note to let you know that I've just added the patch titled

    ASoC: compress: Derive substream from stream based on direction

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     asoc-compress-derive-substream-from-stream-based-on-direction.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 01b8cedfd0422326caae308641dcadaa85e0ca72 Mon Sep 17 00:00:00 2001
From: Satish Babu Patakokila <sbpata@xxxxxxxxxxxxxx>
Date: Fri, 16 Jun 2017 17:33:40 -0700
Subject: ASoC: compress: Derive substream from stream based on direction

From: Satish Babu Patakokila <sbpata@xxxxxxxxxxxxxx>

commit 01b8cedfd0422326caae308641dcadaa85e0ca72 upstream.

Currently compress driver hardcodes direction as playback to get
substream from the stream. This results in getting the incorrect
substream for compressed capture usecase.
To fix this, remove the hardcoding and derive substream based on
the stream direction.

Signed-off-by: Satish Babu Patakokila <sbpata@xxxxxxxxxxxxxx>
Signed-off-by: Banajit Goswami <bgoswami@xxxxxxxxxxxxxx>
Acked-By: Vinod Koul <vinod.koul@xxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 sound/soc/soc-compress.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -68,7 +68,8 @@ out:
 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_pcm_substream *fe_substream =
+		 fe->pcm->streams[cstream->direction].substream;
 	struct snd_soc_platform *platform = fe->platform;
 	struct snd_soc_dpcm *dpcm;
 	struct snd_soc_dapm_widget_list *list;
@@ -414,7 +415,8 @@ static int soc_compr_set_params_fe(struc
 					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_pcm_substream *fe_substream =
+		 fe->pcm->streams[cstream->direction].substream;
 	struct snd_soc_platform *platform = fe->platform;
 	int ret = 0, stream;
 


Patches currently in stable-queue which might be from sbpata@xxxxxxxxxxxxxx are

queue-4.9/asoc-compress-derive-substream-from-stream-based-on-direction.patch



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