linux-kernel - [PATCH 3/3] ASoC: adau1372: correct PGA enable & mute bit

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Date:   Fri, 28 Oct 2022 17:26:25 +0200
From:   Maarten Zanders <maarten.zanders@...d.be>
To:     Lars-Peter Clausen <lars@...afoo.de>,
        Nuno Sá <nuno.sa@...log.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     Maarten Zanders <maarten.zanders@...d.be>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] ASoC: adau1372: correct PGA enable & mute bit

The DAPM control for PGAx uses the PGA mute bit for
power management. This bit is active high but is set to
non-inverted (ie when powering, it will mute).
The ALSA control "PGA x Capture Switch" uses the active
high PGA_ENx bit, but is set to inverted. So when
enabling this switch, the PGA gets disabled.

To correct the behaviour, invert both these bits.

Signed-off-by: Maarten Zanders <maarten.zanders@...d.be>
---
 sound/soc/codecs/adau1372.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/sound/soc/codecs/adau1372.c b/sound/soc/codecs/adau1372.c
index 6b35981c8777..c5e0f10e6982 100644
--- a/sound/soc/codecs/adau1372.c
+++ b/sound/soc/codecs/adau1372.c
@@ -206,10 +206,10 @@ static const struct snd_kcontrol_new adau1372_controls[] = {
 		       2, 1, 0, adau1372_pga_boost_tlv),
 	SOC_SINGLE_TLV("PGA 3 Boost Capture Volume", ADAU1372_REG_PGA_BOOST,
 		       3, 1, 0, adau1372_pga_boost_tlv),
-	SOC_SINGLE("PGA 0 Capture Switch", ADAU1372_REG_PGA_CTRL(0), 7, 1, 1),
-	SOC_SINGLE("PGA 1 Capture Switch", ADAU1372_REG_PGA_CTRL(1), 7, 1, 1),
-	SOC_SINGLE("PGA 2 Capture Switch", ADAU1372_REG_PGA_CTRL(2), 7, 1, 1),
-	SOC_SINGLE("PGA 3 Capture Switch", ADAU1372_REG_PGA_CTRL(3), 7, 1, 1),
+	SOC_SINGLE("PGA 0 Capture Switch", ADAU1372_REG_PGA_CTRL(0), 7, 1, 0),
+	SOC_SINGLE("PGA 1 Capture Switch", ADAU1372_REG_PGA_CTRL(1), 7, 1, 0),
+	SOC_SINGLE("PGA 2 Capture Switch", ADAU1372_REG_PGA_CTRL(2), 7, 1, 0),
+	SOC_SINGLE("PGA 3 Capture Switch", ADAU1372_REG_PGA_CTRL(3), 7, 1, 0),
 
 	SOC_SINGLE_TLV("DAC 0 Playback Volume", ADAU1372_REG_DAC_VOL(0),
 		       0, 0xff, 1, adau1372_digital_tlv),
@@ -369,10 +369,10 @@ static const struct snd_soc_dapm_widget adau1372_dapm_widgets[] = {
 	SND_SOC_DAPM_SUPPLY("MICBIAS0", ADAU1372_REG_MICBIAS, 4, 0, NULL, 0),
 	SND_SOC_DAPM_SUPPLY("MICBIAS1", ADAU1372_REG_MICBIAS, 5, 0, NULL, 0),
 
-	SND_SOC_DAPM_PGA("PGA0", ADAU1372_REG_PGA_CTRL(0), 6, 0, NULL, 0),
-	SND_SOC_DAPM_PGA("PGA1", ADAU1372_REG_PGA_CTRL(1), 6, 0, NULL, 0),
-	SND_SOC_DAPM_PGA("PGA2", ADAU1372_REG_PGA_CTRL(2), 6, 0, NULL, 0),
-	SND_SOC_DAPM_PGA("PGA3", ADAU1372_REG_PGA_CTRL(3), 6, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("PGA0", ADAU1372_REG_PGA_CTRL(0), 6, 1, NULL, 0),
+	SND_SOC_DAPM_PGA("PGA1", ADAU1372_REG_PGA_CTRL(1), 6, 1, NULL, 0),
+	SND_SOC_DAPM_PGA("PGA2", ADAU1372_REG_PGA_CTRL(2), 6, 1, NULL, 0),
+	SND_SOC_DAPM_PGA("PGA3", ADAU1372_REG_PGA_CTRL(3), 6, 1, NULL, 0),
 	SND_SOC_DAPM_ADC("ADC0", NULL, ADAU1372_REG_ADC_CTRL2, 0, 0),
 	SND_SOC_DAPM_ADC("ADC1", NULL, ADAU1372_REG_ADC_CTRL2, 1, 0),
 	SND_SOC_DAPM_ADC("ADC2", NULL, ADAU1372_REG_ADC_CTRL3, 0, 0),
-- 
2.37.3