Commit b8ab7e1f authored by Takashi Iwai's avatar Takashi Iwai Committed by Jialin Zhang
Browse files

ALSA: hda: Fix position reporting on Poulsbo

stable inclusion
from stable-v5.10.148
commit 2fd1caa0c64bca03ea60f50283d6808af77ad7d2
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I6D0WL

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=2fd1caa0c64bca03ea60f50283d6808af77ad7d2



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commit 56e696c0 upstream.

Hans reported that his Sony VAIO VPX11S1E showed the broken sound
behavior at the start of the stream for a couple of seconds, and it
turned out that the position_fix=1 option fixes the issue.  It implies
that the position reporting is inaccurate, and very likely hitting on
all Poulsbo devices.

The patch applies the workaround for Poulsbo generically to switch to
LPIB mode instead of the default position buffer.

Reported-and-tested-by: default avatarHans de Goede <hdegoede@redhat.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/3e8697e1-87c6-7a7b-d2e8-b21f1d2f181b@redhat.com
Link: https://lore.kernel.org/r/20221001142124.7241-1-tiwai@suse.de


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Reviewed-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent 5bba83eb
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