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Hui Wang b8b90c1760 ALSA: hda: update the power_state during the direct-complete 
The patch_realtek.c needs to check if the power_state.event equals
PM_EVENT_SUSPEND, after using the direct-complete, the suspend() and
resume() will be skipped if the codec is already rt_suspended, in this
case, the patch_realtek.c will always get PM_EVENT_ON even the system
is really resumed from S3.

We could set power_state to PMSG_SUSPEND in the prepare(), if other
PM functions are called before complete(), those functions will
override power_state; if no other PM functions are called before
complete(), we could know the suspend() and resume() are skipped since
only S3 pm functions could be skipped by direct-complete, in this case
set power_state to PMSG_RESUME in the complete(). This could guarantee
the first time of calling hda_codec_runtime_resume() after complete()
has the correct power_state.

Fixes: 215a22ed31 ("ALSA: hda: Refactor codec PM to use direct-complete optimization")
Cc: <stable@vger.kernel.org>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Link: https://lore.kernel.org/r/20210602145424.3132-1-hui.wang@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-06-03 09:40:28 +02:00
arch ARM SoC fixes for v5.12, part 2 2021-04-18 13:23:26 -07:00
block
certs
crypto
Documentation Merge remote-tracking branch 'asoc/for-5.13' into asoc-next 2021-04-23 19:01:02 +01:00
drivers Merge remote-tracking branch 'asoc/for-5.13' into asoc-next 2021-04-23 19:01:02 +01:00
fs readdir: make sure to verify directory entry for legacy interfaces too 2021-04-17 11:39:49 -07:00
include ASoC: Fixes for v5.13 2021-05-25 08:58:01 +02:00
init
ipc
kernel Networking fixes for 5.12-rc8, including fixes from netfilter, 2021-04-17 09:57:15 -07:00
lib lib: remove "expecting prototype" kernel-doc warnings 2021-04-16 16:10:37 -07:00
LICENSES
mm mm: ptdump: fix build failure 2021-04-16 16:10:37 -07:00
net netlink: don't call ->netlink_bind with table lock held 2021-04-16 17:01:04 -07:00
samples
scripts
security
sound ALSA: hda: update the power_state during the direct-complete 2021-06-03 09:40:28 +02:00
tools Networking fixes for 5.12-rc8, including fixes from netfilter, 2021-04-17 09:57:15 -07:00
usr
virt
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MAINTAINERS ASoC: Updates for v5.13 2021-04-26 16:59:21 +02:00
Makefile Linux 5.12-rc8 2021-04-18 14:45:32 -07:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.