This is a note to let you know that I've just added the patch titled
ASoC: max98090: Fix reset at resume time
to the 3.15-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-max98090-fix-reset-at-resume-time.patch
and it can be found in the queue-3.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 25b4ab430f8e166c9b63f4db28e7e812d5a59396 Mon Sep 17 00:00:00 2001
From: Liam Girdwood <[email protected]>
Date: Fri, 16 May 2014 16:55:20 +0300
Subject: ASoC: max98090: Fix reset at resume time
From: Liam Girdwood <[email protected]>
commit 25b4ab430f8e166c9b63f4db28e7e812d5a59396 upstream.
Reset needs to wait 20ms before other codec IO is performed. This wait
was not being performed. Fix this by making sure the reset register is not
restored with the cache, but use the manual reset method in resume with
the wait.
Signed-off-by: Liam Girdwood <[email protected]>
Signed-off-by: Jarkko Nikula <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/soc/codecs/max98090.c | 3 +++
1 file changed, 3 insertions(+)
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -255,6 +255,7 @@ static struct reg_default max98090_reg[]
static bool max98090_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
+ case M98090_REG_SOFTWARE_RESET:
case M98090_REG_DEVICE_STATUS:
case M98090_REG_JACK_STATUS:
case M98090_REG_REVISION_ID:
@@ -2373,6 +2374,8 @@ static int max98090_runtime_resume(struc
regcache_cache_only(max98090->regmap, false);
+ max98090_reset(max98090);
+
regcache_sync(max98090->regmap);
return 0;
Patches currently in stable-queue which might be from
[email protected] are
queue-3.15/asoc-max98090-fix-reset-at-resume-time.patch
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