linux-kernel - [PATCH 2/2] ASoC: max98363: limit the number of channel to 1

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Message-Id: <20230601130600.25344-2-ryan.lee.analog@gmail.com>
Date:   Thu,  1 Jun 2023 06:06:00 -0700
From:   “Ryan <ryan.lee.analog@...il.com>
To:     lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com, ryans.lee@...log.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Cc:     jairaj.arava@...el.com
Subject: [PATCH 2/2] ASoC: max98363: limit the number of channel to 1

From: Ryan Lee <ryans.lee@...log.com>

MAX98363 is a mono amplifier. The number of channel needs to be always 1.

Signed-off-by: Ryan Lee <ryans.lee@...log.com>
---
 sound/soc/codecs/max98363.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/max98363.c b/sound/soc/codecs/max98363.c
index 8aa9d9c67aa2..7f5062ac4523 100644
--- a/sound/soc/codecs/max98363.c
+++ b/sound/soc/codecs/max98363.c
@@ -246,7 +246,7 @@ static int max98363_sdw_dai_hw_params(struct snd_pcm_substream *substream,
 	stream_config.frame_rate = params_rate(params);
 	stream_config.bps = snd_pcm_format_width(params_format(params));
 	stream_config.direction = direction;
-	stream_config.ch_count = params_channels(params);
+	stream_config.ch_count = 1;
 
 	if (stream_config.ch_count > runtime->hw.channels_max) {
 		stream_config.ch_count = runtime->hw.channels_max;
-- 
2.34.1