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Filename Latest commit message Latest commit date
Hui Wang be1f7f30b6 ALSA: hda/realtek: reset eapd coeff to default value for alc287
commit 8822702f6e4c8917c83ba79e0ebf2c8c218910d4 upstream.

Ubuntu users reported an audio bug on the Lenovo Yoga Slim 7 14IIL05,
he installed dual OS (Windows + Linux), if he booted to the Linux
from Windows, the Speaker can't work well, it has crackling noise,
if he poweroff the machine first after Windows, the Speaker worked
well.

Before rebooting or shutdown from Windows, the Windows changes the
codec eapd coeff value, but the BIOS doesn't re-initialize its value,
when booting into the Linux from Windows, the eapd coeff value is not
correct. To fix it, set the codec default value to that coeff register
in the alsa driver.

BugLink: http://bugs.launchpad.net/bugs/1925057
Suggested-by: Kailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Link: https://lore.kernel.org/r/20210507024452.8300-1-hui.wang@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-26 12:05:17 +02:00
arch openrisc: Fix a memory leak 2021-05-26 12:05:14 +02:00
block blk-mq: Swap two calls in blk_mq_exit_queue() 2021-05-19 10:08:30 +02:00
certs
crypto
Documentation tweewide: Fix most Shebang lines 2021-05-22 11:38:30 +02:00
drivers nvmet: seset ns->file when open fails 2021-05-26 12:05:15 +02:00
fs cifs: fix memory leak in smb2_copychunk_range 2021-05-26 12:05:16 +02:00
include virtio_net: Do not pull payload in skb->head 2021-05-22 11:38:28 +02:00
init
ipc
kernel locking/mutex: clear MUTEX_FLAGS if wait_list is empty due to signal 2021-05-26 12:05:15 +02:00
lib lib: stackdepot: turn depot_lock spinlock to raw_spinlock 2021-05-22 11:38:30 +02:00
LICENSES
mm mm/hugetlb: fix F_SEAL_FUTURE_WRITE 2021-05-19 10:08:29 +02:00
net ipv6: remove extra dev_hold() for fallback tunnels 2021-05-22 11:38:30 +02:00
samples samples/bpf: Fix broken tracex1 due to kprobe argument change 2021-05-19 10:08:23 +02:00
scripts scripts: switch explicitly to Python 3 2021-05-22 11:38:30 +02:00
security
sound ALSA: hda/realtek: reset eapd coeff to default value for alc287 2021-05-26 12:05:17 +02:00
tools tweewide: Fix most Shebang lines 2021-05-22 11:38:30 +02:00
usr
virt KVM: arm64: Initialize VCPU mdcr_el2 before loading it 2021-05-22 11:38:30 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.121 2021-05-22 11:38:30 +02:00
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.