asoc: Expose mixer control to set noirq capture volume

NOIRQ platform driver registers volume controls for playback
with ALSA control module. Extend this for capture stream as well.

CRs-Fixed: 2222250
Change-Id: I04a3bfe0a8f44b5cb7b8f24d05cf6d72dabf1fd9
Signed-off-by: Haynes Mathew George <hgeorge@codeaurora.org>
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>
diff --git a/asoc/msm-pcm-q6-v2.c b/asoc/msm-pcm-q6-v2.c
index a087dd8..b010010 100644
--- a/asoc/msm-pcm-q6-v2.c
+++ b/asoc/msm-pcm-q6-v2.c
@@ -1391,7 +1391,7 @@
 {
 	struct snd_pcm_volume *vol = snd_kcontrol_chip(kcontrol);
 	struct snd_pcm_substream *substream =
-		vol->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
+		vol->pcm->streams[vol->stream].substream;
 	struct msm_audio *prtd;
 
 	pr_debug("%s\n", __func__);
@@ -1415,7 +1415,7 @@
 	int rc = 0;
 	struct snd_pcm_volume *vol = snd_kcontrol_chip(kcontrol);
 	struct snd_pcm_substream *substream =
-		vol->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
+		vol->pcm->streams[vol->stream].substream;
 	struct msm_audio *prtd;
 	int volume = ucontrol->value.integer.value[0];
 
@@ -1436,15 +1436,16 @@
 	return rc;
 }
 
-static int msm_pcm_add_volume_control(struct snd_soc_pcm_runtime *rtd)
+static int msm_pcm_add_volume_control(struct snd_soc_pcm_runtime *rtd,
+				      int stream)
 {
 	int ret = 0;
 	struct snd_pcm *pcm = rtd->pcm;
 	struct snd_pcm_volume *volume_info;
 	struct snd_kcontrol *kctl;
 
-	dev_dbg(rtd->dev, "%s, Volume control add\n", __func__);
-	ret = snd_pcm_add_volume_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+	dev_dbg(rtd->dev, "%s, volume control add\n", __func__);
+	ret = snd_pcm_add_volume_ctls(pcm, stream,
 			NULL, 1, rtd->dai_link->id,
 			&volume_info);
 	if (ret < 0) {
@@ -2575,11 +2576,14 @@
 		return ret;
 	}
 
-	ret = msm_pcm_add_volume_control(rtd);
+	ret = msm_pcm_add_volume_control(rtd, SNDRV_PCM_STREAM_PLAYBACK);
 	if (ret)
 		pr_err("%s: Could not add pcm Volume Control %d\n",
 			__func__, ret);
-
+	ret = msm_pcm_add_volume_control(rtd, SNDRV_PCM_STREAM_CAPTURE);
+	if (ret)
+		pr_err("%s: Could not add pcm Volume Control %d\n",
+			__func__, ret);
 	ret = msm_pcm_add_compress_control(rtd);
 	if (ret)
 		pr_err("%s: Could not add pcm Compress Control %d\n",