This hardware supports only 2-channel DAI, even mono ADC digital output has two channels with the same data.
Having min_channels=1 results in broken playback of mono files in setups where CPU DAI supports mono. Signed-off-by: Nikita Yushchenko <[email protected]> --- sound/soc/codecs/tlv320aic31xx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sound/soc/codecs/tlv320aic31xx.c b/sound/soc/codecs/tlv320aic31xx.c index 725173b12725..be1a64bfd320 100644 --- a/sound/soc/codecs/tlv320aic31xx.c +++ b/sound/soc/codecs/tlv320aic31xx.c @@ -1213,7 +1213,7 @@ static struct snd_soc_dai_driver dac31xx_dai_driver[] = { .name = "tlv32dac31xx-hifi", .playback = { .stream_name = "Playback", - .channels_min = 1, + .channels_min = 2, .channels_max = 2, .rates = AIC31XX_RATES, .formats = AIC31XX_FORMATS, @@ -1228,14 +1228,14 @@ static struct snd_soc_dai_driver aic31xx_dai_driver[] = { .name = "tlv320aic31xx-hifi", .playback = { .stream_name = "Playback", - .channels_min = 1, + .channels_min = 2, .channels_max = 2, .rates = AIC31XX_RATES, .formats = AIC31XX_FORMATS, }, .capture = { .stream_name = "Capture", - .channels_min = 1, + .channels_min = 2, .channels_max = 2, .rates = AIC31XX_RATES, .formats = AIC31XX_FORMATS, -- 2.1.4
