[alsa-devel] [PATCH v4 1/5] ASoC: Apply msbits constraint for sample size bigger than the msbits

[Peter Ujfalusi]

In order to avoid confusing the applications with msbits bigger
than the selected sample size apply the msbits constraint only
to sample seze bigger than the requested msbits.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
---
 sound/soc/soc-pcm.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 8bb1793..e5e804d 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -68,7 +68,7 @@ static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream,
  * like the DAC/ADC resolution to use but there isn't right now.
  */
 static int sample_sizes[] = {
-	8, 16, 24, 32,
+	32, 24, 16, 8,
 };
 
 static void soc_pcm_apply_msb(struct snd_pcm_substream *substream,
@@ -85,6 +85,8 @@ static void soc_pcm_apply_msb(struct snd_pcm_substream *substream,
 		return;
 
 	for (i = 0; i < ARRAY_SIZE(sample_sizes); i++) {
+		if (sample_sizes[i] <= bits)
+			break;
 		ret = snd_pcm_hw_constraint_msbits(substream->runtime,
 						   0, sample_sizes[i],
 						   bits);
-- 
1.7.8.3