There is a regmap fix which is mandatory to the latest alsa driver, but
this fix is not in the trusty kernel. The regmap fix is as below:
commit 4ceba98d3fe204c59e5f63c4d834b45dcfe789f0
Author: Takashi Iwai <ti...@suse.de>
Date: Wed Mar 4 15:29:17 2015 +0100
regmap: Skip read-only registers in regcache_sync()
regcache_sync() spews warnings when a value was cached for a read-only
register as it tries to write all registers no matter whether they are
writable or not. This patch adds regmap_wrtieable() checks for
avoiding it in regcache_sync_block_single() and regcache_block_raw().
Signed-off-by: Takashi Iwai <ti...@suse.de>
Signed-off-by: Mark Brown <broo...@kernel.org>
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index f373c35..da84f54 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
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https://bugs.launchpad.net/bugs/1448830
Title:
alsa daily dkms can't work well under ubuntu kernels (audio can't work
after resume from S3)
Status in HWE Next Project:
New
Status in linux package in Ubuntu:
Incomplete
Bug description:
This bug is used for tracking purposes. Please do not triage.
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