ASoC: pcm: Require both CODEC and CPU support when declaring stream caps

When declaring playback and capture capabilities check for both CODEC side and CPU side support rather than only checking for CODEC side support. While it is unusual some CPUs do have unidirectional DAIs. Reported-by: Fabio Estevam <[email protected]> Tested-by: Fabio Estevam <[email protected]> Acked-by: Liam Girdwood <[email protected]> Signed-off-by: Mark Brown <[email protected]>
mmohite · Jun 3, 2013 · 0567909 · 0567909
1 parent e4aa937
commit 0567909
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
@@ -2011,9 +2011,11 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
 		if (cpu_dai->driver->capture.channels_min)
 			capture = 1;
 	} else {
-		if (codec_dai->driver->playback.channels_min)
+		if (codec_dai->driver->playback.channels_min &&
+		    cpu_dai->driver->playback.channels_min)
 			playback = 1;
-		if (codec_dai->driver->capture.channels_min)
+		if (codec_dai->driver->capture.channels_min &&
+		    cpu_dai->driver->capture.channels_min)
 			capture = 1;
 	}