From: Mark Brown broonie@linaro.org

It is not an error to have no cache so we shouldn't return an error code and cause our callers to fail, just silently do nothing instead. Thanks to Jarkko for identify the problematic commit.

Reported-by: Jarkko Nikula jarkko.nikula@linux.intel.com Reported-by: Fabio Estevam festevam@gmail.com Signed-off-by: Mark Brown broonie@linaro.org --- sound/soc/soc-cache.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c index 8fff5b6..00e70b6 100644 --- a/sound/soc/soc-cache.c +++ b/sound/soc/soc-cache.c @@ -73,7 +73,7 @@ int snd_soc_cache_init(struct snd_soc_codec *codec) reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size;

if (!reg_size) - return -EINVAL; + return 0;

mutex_init(&codec->cache_rw_mutex);