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@xxxxxxx>
Tested-by: Fabio Estevam <festevam@xxxxxxx>
---
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);
--
2.17.1
