linux-kernel - [PATCH 3.16.y-ckt 110/170] ASoC: adau1761: Fix input PGA volume

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Date:	Tue, 11 Nov 2014 11:07:49 +0000
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Lars-Peter Clausen <lars@...afoo.de>,
	Mark Brown <broonie@...nel.org>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 110/170] ASoC: adau1761: Fix input PGA volume

3.16.7-ckt1 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Lars-Peter Clausen <lars@...afoo.de>

commit 3b283f0893f55cb79e4507e5ec34e49c17d0a787 upstream.

For the input PGA to work correctly the ALC clock needs to be active.
Otherwise volume changes are not applied.

Fixes: dab464b60b2 ("ASoC: Add ADAU1361/ADAU1761 audio CODEC support")
Signed-off-by: Lars-Peter Clausen <lars@...afoo.de>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 sound/soc/codecs/adau1761.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/soc/codecs/adau1761.c b/sound/soc/codecs/adau1761.c
index 848cab839553..2e9e90dbeecf 100644
--- a/sound/soc/codecs/adau1761.c
+++ b/sound/soc/codecs/adau1761.c
@@ -405,6 +405,7 @@ static const struct snd_soc_dapm_widget adau1761_dapm_widgets[] = {
 		2, 0, NULL, 0),
 
 	SND_SOC_DAPM_SUPPLY("Slew Clock", ADAU1761_CLK_ENABLE0, 6, 0, NULL, 0),
+	SND_SOC_DAPM_SUPPLY("ALC Clock", ADAU1761_CLK_ENABLE0, 5, 0, NULL, 0),
 
 	SND_SOC_DAPM_SUPPLY_S("Digital Clock 0", 1, ADAU1761_CLK_ENABLE1,
 		0, 0, NULL, 0),
@@ -436,6 +437,9 @@ static const struct snd_soc_dapm_route adau1761_dapm_routes[] = {
 	{ "Right Playback Mixer", NULL, "Slew Clock" },
 	{ "Left Playback Mixer", NULL, "Slew Clock" },
 
+	{ "Left Input Mixer", NULL, "ALC Clock" },
+	{ "Right Input Mixer", NULL, "ALC Clock" },
+
 	{ "Digital Clock 0", NULL, "SYSCLK" },
 	{ "Digital Clock 1", NULL, "SYSCLK" },
 };
-- 
2.1.0

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