evie/android_kernel_oneplus_msm8998
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ASoC: msm: Fix repeated reg phy stream issue

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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: Cong Tang <congt@codeaurora.org>
This commit is contained in:
Cong Tang 2018-03-06 12:04:19 +08:00 • committed by Gerrit - the friendly Code Review server
parent 07324253e2
commit 3886996825
1 changed files with 7 additions and 1 deletions
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8
sound/soc/msm/qdsp6v2/msm-pcm-loopback-v2.c
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@ -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", dev_dbg(rtd->platform->dev, "%s: ASM loopback stream:%d\n",
__func__, substream->stream); __func__, substream->stream);
if (pcm->playback_start && pcm->capture_start) {
mutex_unlock(&pcm->lock);
return ret;
}
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
if (!pcm->playback_start) if (!pcm->playback_start)
pcm->playback_start = 1; pcm->playback_start = 1;
@ -424,7 +430,7 @@ static int msm_pcm_prepare(struct snd_pcm_substream *substream)
pcm->capture_start = 1; pcm->capture_start = 1;
} }
if (pcm->instance == 2) { if (pcm->playback_start && pcm->capture_start) {
struct snd_soc_pcm_runtime *soc_pcm_rx = struct snd_soc_pcm_runtime *soc_pcm_rx =
pcm->playback_substream->private_data; pcm->playback_substream->private_data;
struct snd_soc_pcm_runtime *soc_pcm_tx = struct snd_soc_pcm_runtime *soc_pcm_tx =