[alsa-devel] [PATCH] ASoC: Don't tell applications about msbits unless we're ignoring input

[Mark Brown]

On the off chance that an application both pays attention and gets
confused.

Signed-off-by: Mark Brown <broonie at opensource.wolfsonmicro.com>
---
 sound/soc/soc-pcm.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 77c40ee..9f6e55b 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -85,9 +85,11 @@ static void soc_pcm_apply_msb(struct snd_pcm_substream *substream,
 		return;
 
 	for (i = 0; i < ARRAY_SIZE(sample_sizes); i++) {
-		ret = snd_pcm_hw_constraint_msbits(substream->runtime,
-						   0, sample_sizes[i],
-						   bits);
+		if (bits >= sample_sizes)
+			continue;
+
+		ret = snd_pcm_hw_constraint_msbits(substream->runtime, 0,
+						   sample_sizes[i], bits);
 		if (ret != 0)
 			dev_warn(dai->dev,
 				 "Failed to set MSB %d/%d: %d\n",
-- 
1.7.7.3