This is a note to let you know that I've just added the patch titled
ASoC: wm8903: Fix the bypass to HP/LINEOUT when no DAC or ADC is running
to the 3.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-wm8903-fix-the-bypass-to-hp-lineout-when-no-dac-or-adc-is-running.patch
and it can be found in the queue-3.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From f1ca493b0b5e8f42d3b2dc8877860db2983f47b6 Mon Sep 17 00:00:00 2001
From: Alban Bedel <alban.bedel@xxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
sound/soc/codecs/wm8903.c | 2 ++
1 file changed, 2 insertions(+)
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -1101,6 +1101,8 @@ 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" },
Patches currently in stable-queue which might be from alban.bedel@xxxxxxxxxxxxxxxxx are
queue-3.0/asoc-wm8903-fix-the-bypass-to-hp-lineout-when-no-dac-or-adc-is-running.patch
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