linux-kernel - [PATCH 2/4] ASoC: tas2770: Allow mono streams

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Date:   Mon,  8 Aug 2022 16:12:44 +0200
From:   Martin Povišer <povik+lin@...ebit.org>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     Martin Povišer <povik+lin@...ebit.org>,
        Stephen Kitt <steve@....org>,
        Frank Shi <shifu0704@...ndersoft.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        asahi@...ts.linux.dev
Subject: [PATCH 2/4] ASoC: tas2770: Allow mono streams

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@...ebit.org>
---
 sound/soc/codecs/tas2770.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c
index 10b64d5ba756..db446db88df5 100644
--- 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,
-- 
2.33.0