The constraint is propagate to Front End Bitstream for Front End and Back End share same snd_soc_pcm_runtime.
The constraint is not needed for Back End Bitstream when there is be_hw_params_fixup() defined.
Signed-off-by: Shengjiu Wang shengjiu.wang@nxp.com Tested-by: Fabio Estevam festevam@denx.de --- sound/soc/codecs/wm8524.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/sound/soc/codecs/wm8524.c b/sound/soc/codecs/wm8524.c index 81f858f6bd67..442a59857875 100644 --- a/sound/soc/codecs/wm8524.c +++ b/sound/soc/codecs/wm8524.c @@ -61,6 +61,7 @@ static int wm8524_startup(struct snd_pcm_substream *substream, { struct snd_soc_component *component = dai->component; struct wm8524_priv *wm8524 = snd_soc_component_get_drvdata(component); + struct snd_soc_pcm_runtime *rtd = substream->private_data;
/* The set of sample rates that can be supported depends on the * MCLK supplied to the CODEC - enforce this. @@ -71,9 +72,10 @@ static int wm8524_startup(struct snd_pcm_substream *substream, return -EINVAL; }
- snd_pcm_hw_constraint_list(substream->runtime, 0, - SNDRV_PCM_HW_PARAM_RATE, - &wm8524->rate_constraint); + if (!rtd->dai_link->be_hw_params_fixup) + snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + &wm8524->rate_constraint);
gpiod_set_value_cansleep(wm8524->mute, 1);