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Commit 38869968 authored by Cong Tang's avatar Cong Tang Committed by Gerrit - the friendly Code Review server
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ASoC: msm: Fix repeated reg phy stream issue 



Fix repeated reg phy stream issue in loopback driver
which cause audio dsp calibration failure due to
rtac device could not remove successfully.

Change-Id: Ifa1b9cd579bc313d4addc00d48a8b4b636181220
Signed-off-by: default avatarCong Tang <congt@codeaurora.org>
parent 07324253

sound/soc/msm/qdsp6v2/msm-pcm-loopback-v2.c

+7 −1
Original line number Diff line number Diff line
@@ -416,6 +416,12 @@ static int msm_pcm_prepare(struct snd_pcm_substream *substream) 


	dev_dbg(rtd->platform->dev, "%s: ASM loopback stream:%d\n",

		__func__, substream->stream);



	if (pcm->playback_start && pcm->capture_start) {

		mutex_unlock(&pcm->lock);

		return ret;

	}



	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {

		if (!pcm->playback_start)

			pcm->playback_start = 1;
@@ -424,7 +430,7 @@ static int msm_pcm_prepare(struct snd_pcm_substream *substream) 
			pcm->capture_start = 1;

	}



	if (pcm->instance == 2) {

	if (pcm->playback_start && pcm->capture_start) {

		struct snd_soc_pcm_runtime *soc_pcm_rx =

				pcm->playback_substream->private_data;

		struct snd_soc_pcm_runtime *soc_pcm_tx =