ASoC: tas2770: Allow mono streams

commit bf54d97a835dfe62d4d29e245e170c63d0089be7 upstream.

The part is a mono speaker amp, but it can do downmix and switch between
left and right channel, so the right channel range is 1 to 2.

Fixes: 1a476abc723e ("tas2770: add tas2770 smart PA kernel driver")
Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Link: https://lore.kernel.org/r/20220808141246.5749-3-povik+lin@cutebit.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c
index 9549171769f4d1374c3fce096a79203d1240e7dc..9e985c5796234599e54f7c6027db60780190864b 100644 (file)
--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -507,7 +507,7 @@ static struct snd_soc_dai_driver tas2770_dai_driver[] = {
                .id = 0,
                .playback = {
                        .stream_name    = "ASI1 Playback",
-                       .channels_min   = 2,
+                       .channels_min   = 1,
                        .channels_max   = 2,
                        .rates      = TAS2770_RATES,
                        .formats    = TAS2770_FORMATS,