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[3.5.y.z,extended,stable] Patch "ASoC: wm8903: Fix the bypass to HP/LINEOUT when no DAC or ADC" has been added to staging queue

Message ID 1366023550-6958-1-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques April 15, 2013, 10:59 a.m. UTC
This is a note to let you know that I have just added a patch titled

    ASoC: wm8903: Fix the bypass to HP/LINEOUT when no DAC or ADC

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

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From bf8d16b1b7b3ab8002d191d2312958b83fcae6c1 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: [PATCH] ASoC: wm8903: Fix the bypass to HP/LINEOUT when no DAC or ADC
 is running

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: Luis Henriques <luis.henriques@canonical.com>
---
 sound/soc/codecs/wm8903.c | 2 ++
 1 file changed, 2 insertions(+)

--
1.8.1.2
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Patch

diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index 86b8a29..8ddfc19 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -1082,6 +1082,8 @@  static const struct snd_soc_dapm_route wm8903_intercon[] = {
 	{ "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" },