linux-kernel - [PATCH 5.19 181/365] ASoC: tas2770: Allow mono streams

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Message-Id: <20220823080125.799694042@linuxfoundation.org>
Date:   Tue, 23 Aug 2022 10:01:22 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Martin Povišer <povik+lin@...ebit.org>,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH 5.19 181/365] ASoC: tas2770: Allow mono streams

From: Martin Povišer <povik+lin@...ebit.org>

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@...ebit.org>
Link: https://lore.kernel.org/r/20220808141246.5749-3-povik+lin@cutebit.org
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 sound/soc/codecs/tas2770.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -507,7 +507,7 @@ static struct snd_soc_dai_driver tas2770
 		.id = 0,
 		.playback = {
 			.stream_name    = "ASI1 Playback",
-			.channels_min   = 2,
+			.channels_min   = 1,
 			.channels_max   = 2,
 			.rates      = TAS2770_RATES,
 			.formats    = TAS2770_FORMATS,