linux-kernel - [PATCH v5.3] ASoC: sgtl5000: add ADC mute control

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Date:   Wed, 16 Oct 2019 11:13:04 +0200
From:   Richard Leitner <richard.leitner@...data.com>
To:     <stable@...r.kernel.org>
CC:     <festevam@...il.com>, <lgirdwood@...il.com>, <broonie@...nel.org>,
        <perex@...ex.cz>, <tiwai@...e.com>, <alsa-devel@...a-project.org>,
        <linux-kernel@...r.kernel.org>,
        Oleksandr Suvorov <oleksandr.suvorov@...adex.com>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        Igor Opaniuk <igor.opaniuk@...adex.com>,
        Richard Leitner <richard.leitner@...data.com>
Subject: [PATCH v5.3] ASoC: sgtl5000: add ADC mute control

From: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>

Upstream commit 631bc8f0134a ("ASoC: sgtl5000: Fix of unmute outputs on
probe"), which is e9f621efaebd in v5.3 replaced snd_soc_component_write
with snd_soc_component_update_bits and therefore no longer cleared the
MUTE_ADC flag. This caused the ADC to stay muted and recording doesn't
work any longer. This patch fixes this problem by adding a Switch control
for MUTE_ADC.

commit 694b14554d75 ("ASoC: sgtl5000: add ADC mute control") upstream

This control mute/unmute the ADC input of SGTL5000
using its CHIP_ANA_CTRL register.

Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
Reviewed-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>
Reviewed-by: Igor Opaniuk <igor.opaniuk@...adex.com>
Reviewed-by: Fabio Estevam <festevam@...il.com>
Link: https://lore.kernel.org/r/20190719100524.23300-5-oleksandr.suvorov@toradex.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Richard Leitner <richard.leitner@...data.com>
Fixes: e9f621efaebd ("ASoC: sgtl5000: Fix of unmute outputs on probe")
---
 sound/soc/codecs/sgtl5000.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index 3f28e7862b5b..b65232521ea8 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -720,6 +720,7 @@ static const struct snd_kcontrol_new sgtl5000_snd_controls[] = {
 			SGTL5000_CHIP_ANA_ADC_CTRL,
 			8, 1, 0, capture_6db_attenuate),
 	SOC_SINGLE("Capture ZC Switch", SGTL5000_CHIP_ANA_CTRL, 1, 1, 0),
+	SOC_SINGLE("Capture Switch", SGTL5000_CHIP_ANA_CTRL, 0, 1, 1),
 
 	SOC_DOUBLE_TLV("Headphone Playback Volume",
 			SGTL5000_CHIP_ANA_HP_CTRL,
-- 
2.21.0