According to cs4270 datasheet, there is no reference to mono mode.
Signed-off-by: Fabio Estevam fabio.estevam@freescale.com --- sound/soc/codecs/cs4270.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c index 815b53b..8e47798 100644 --- a/sound/soc/codecs/cs4270.c +++ b/sound/soc/codecs/cs4270.c @@ -459,7 +459,7 @@ static struct snd_soc_dai_driver cs4270_dai = { .name = "cs4270-hifi", .playback = { .stream_name = "Playback", - .channels_min = 1, + .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_CONTINUOUS, .rate_min = 4000, @@ -468,7 +468,7 @@ static struct snd_soc_dai_driver cs4270_dai = { }, .capture = { .stream_name = "Capture", - .channels_min = 1, + .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_CONTINUOUS, .rate_min = 4000,