ASoC: Intel: Atom: platform-pcm: fix redundant return

Fix cppcheck warning

 return ret_val;
        ^
sound/soc/intel/atom/sst-mfld-platform-pcm.c:384:6: note: If condition 'ret_val' is true, the function will return/exit
 if (ret_val)
     ^
sound/soc/intel/atom/sst-mfld-platform-pcm.c:387:9: note: Returning identical expression 'ret_val'
 return ret_val;
        ^

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200813200147.61990-8-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
index eb1aa58..6add705 100644 (file)
--- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
@@ -385,7 +385,7 @@ static int sst_media_prepare(struct snd_pcm_substream *substream,
        if (ret_val)
                return ret_val;
        substream->runtime->hw.info = SNDRV_PCM_INFO_BLOCK_TRANSFER;
-       return ret_val;
+       return 0;
 }
 
 static int sst_enable_ssp(struct snd_pcm_substream *substream,