5.1-stable patches

[thirdparty/kernel/stable-queue.git] / releases / 3.8.8 / asoc-wm8903-fix-the-bypass-to-hp-lineout-when-no-dac-or-adc-is-running.patch

From f1ca493b0b5e8f42d3b2dc8877860db2983f47b6 Mon Sep 17 00:00:00 2001
From: Alban Bedel <alban.bedel@avionic-design.de>
Date: Tue, 9 Apr 2013 17:13:59 +0200
Subject: ASoC: wm8903: Fix the bypass to HP/LINEOUT when no DAC or ADC is running

From: Alban Bedel <alban.bedel@avionic-design.de>

commit f1ca493b0b5e8f42d3b2dc8877860db2983f47b6 upstream.

The Charge Pump needs the DSP clock to work properly, without it the
bypass to HP/LINEOUT is not working properly. This requirement is not
mentioned in the datasheet but has been confirmed by Mark Brown from
Wolfson.

Signed-off-by: Alban Bedel <alban.bedel@avionic-design.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 sound/soc/codecs/wm8903.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -1083,6 +1083,8 @@ static const struct snd_soc_dapm_route w
 	{ "ROP", NULL, "Right Speaker PGA" },
 	{ "RON", NULL, "Right Speaker PGA" },
 
+	{ "Charge Pump", NULL, "CLK_DSP" },
+
 	{ "Left Headphone Output PGA", NULL, "Charge Pump" },
 	{ "Right Headphone Output PGA", NULL, "Charge Pump" },
 	{ "Left Line Output PGA", NULL, "Charge Pump" },