ASoC: tlv320aic31xx: do not declare support for mono DAI

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 <nikita.yoush@cogentembedded.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/tlv320aic31xx.c b/sound/soc/codecs/tlv320aic31xx.c
index 725173b..be1a64b 100644 (file)
--- 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,