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Subject[PATCH 5.7 110/265] ASoC: soc-pcm: fix checks for multi-cpu FE dailinks
Date
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

[ Upstream commit 96bf62f018f40cb5d4e4bed95e50fd990a2354af ]

soc_dpcm_fe_runtime_update() is called for all dailinks, and we want
to first discard all back-ends, then deal with front-ends.

The existing code first reports an error with multi-cpu front-ends,
and that check needs to be moved after we know that we are dealing
with a front-end.

Fixes: 6e1276a5e613d ('ASoC: Return error if the function does not support multi-cpu')
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
BugLink: https://github.com/thesofproject/linux/issues/1970
Link: https://lore.kernel.org/r/20200612203507.25621-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/soc/soc-pcm.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 39ce61c5b8744..fde097a7aad32 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -2749,15 +2749,15 @@ static int soc_dpcm_fe_runtime_update(struct snd_soc_pcm_runtime *fe, int new)
int count, paths;
int ret;

+ if (!fe->dai_link->dynamic)
+ return 0;
+
if (fe->num_cpus > 1) {
dev_err(fe->dev,
"%s doesn't support Multi CPU yet\n", __func__);
return -EINVAL;
}

- if (!fe->dai_link->dynamic)
- return 0;
-
/* only check active links */
if (!fe->cpu_dai->active)
return 0;
--
2.25.1
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