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From: Stephan Gerhold <stephan@gerhold.net>
To: Mark Brown <broonie@kernel.org>
Cc: alsa-devel@alsa-project.org,
	Stephan Gerhold <stephan@gerhold.net>,
	Liam Girdwood <lgirdwood@gmail.com>,
	linux-kernel@vger.kernel.org, Takashi Iwai <tiwai@suse.com>,
	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Subject: [alsa-devel] [PATCH 1/2] ASoC: msm8916-wcd-analog: Fix RX1 selection in RDAC2 MUX
Date: Sun, 20 Oct 2019 17:30:06 +0200
Message-ID: <20191020153007.206070-1-stephan@gerhold.net> (raw)

According to the PM8916 Hardware Register Description,
CDC_D_CDC_CONN_HPHR_DAC_CTL has only a single bit (RX_SEL)
to switch between RX1 (0) and RX2 (1). It is not possible to
disable it entirely to achieve the "ZERO" state.

However, at the moment the "RDAC2 MUX" mixer defines three possible
values ("ZERO", "RX2" and "RX1"). Setting the mixer to "ZERO"
actually configures it to RX1. Setting the mixer to "RX1" has
(seemingly) no effect.

Remove "ZERO" and replace it with "RX1" to fix this.

Fixes: 585e881e5b9e ("ASoC: codecs: Add msm8916-wcd analog codec")
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
---
 sound/soc/codecs/msm8916-wcd-analog.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/msm8916-wcd-analog.c b/sound/soc/codecs/msm8916-wcd-analog.c
index 667e9f73aba3..e3d311fb510e 100644
--- a/sound/soc/codecs/msm8916-wcd-analog.c
+++ b/sound/soc/codecs/msm8916-wcd-analog.c
@@ -306,7 +306,7 @@ struct pm8916_wcd_analog_priv {
 };
 
 static const char *const adc2_mux_text[] = { "ZERO", "INP2", "INP3" };
-static const char *const rdac2_mux_text[] = { "ZERO", "RX2", "RX1" };
+static const char *const rdac2_mux_text[] = { "RX1", "RX2" };
 static const char *const hph_text[] = { "ZERO", "Switch", };
 
 static const struct soc_enum hph_enum = SOC_ENUM_SINGLE_VIRT(
@@ -321,7 +321,7 @@ static const struct soc_enum adc2_enum = SOC_ENUM_SINGLE_VIRT(
 
 /* RDAC2 MUX */
 static const struct soc_enum rdac2_mux_enum = SOC_ENUM_SINGLE(
-			CDC_D_CDC_CONN_HPHR_DAC_CTL, 0, 3, rdac2_mux_text);
+			CDC_D_CDC_CONN_HPHR_DAC_CTL, 0, 2, rdac2_mux_text);
 
 static const struct snd_kcontrol_new spkr_switch[] = {
 	SOC_DAPM_SINGLE("Switch", CDC_A_SPKR_DAC_CTL, 7, 1, 0)
-- 
2.23.0

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Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-20 15:30 Stephan Gerhold [this message]
2019-10-20 15:30 ` [alsa-devel] [PATCH 2/2] ASoC: msm8916-wcd-analog: Add earpiece Stephan Gerhold
2019-10-21  9:32   ` Srinivas Kandagatla
2019-10-21 18:00   ` [alsa-devel] Applied "ASoC: msm8916-wcd-analog: Add earpiece" to the asoc tree Mark Brown
2019-10-21  9:32 ` [alsa-devel] [PATCH 1/2] ASoC: msm8916-wcd-analog: Fix RX1 selection in RDAC2 MUX Srinivas Kandagatla
2019-10-21 18:00 ` [alsa-devel] Applied "ASoC: msm8916-wcd-analog: Fix RX1 selection in RDAC2 MUX" to the asoc tree Mark Brown

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