From: Robert Hancock robert.hancock@calian.com
[ Upstream commit 635071f5fee31550e921644b2becc42b3ff1036c ]
The code in asoc_simple_startup was treating any non-zero return from snd_pcm_hw_constraint_minmax as an error, when this can return 1 in some normal cases and only negative values indicate an error.
When this happened, it caused asoc_simple_startup to disable the clocks it just enabled and return 1, which was not treated as an error by the calling code which only checks for negative return values. Then when the PCM is eventually shut down, it causes the clock framework to complain about disabling clocks that were not enabled.
Fix the check for snd_pcm_hw_constraint_minmax return value to only treat negative values as an error.
Fixes: 5ca2ab459817 ("ASoC: simple-card-utils: Add new system-clock-fixed flag") Signed-off-by: Robert Hancock robert.hancock@calian.com Link: https://lore.kernel.org/r/20230602011936.231931-1-robert.hancock@calian.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/generic/simple-card-utils.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index 56552a616f21f..1f24344846ae9 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -314,7 +314,7 @@ int asoc_simple_startup(struct snd_pcm_substream *substream) } ret = snd_pcm_hw_constraint_minmax(substream->runtime, SNDRV_PCM_HW_PARAM_RATE, fixed_rate, fixed_rate); - if (ret) + if (ret < 0) goto codec_err; }