ASoC: Don't tell applications about msbits unless we're ignoring input

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

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 8bb17937d59a3a0807c19e506c3a2335b3890421..326890148a26e8cfc893fb47604ac57f16f8d2f2 100644 (file)
--- 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[i])
+                       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",