Skip to content
Commit 45b14fe2 authored by Stefan Binding's avatar Stefan Binding Committed by Takashi Iwai
Browse files

ALSA: hda/cirrus: Use CS8409 filter to fix abnormal sounds on Bullseye



Cracking noises have been reported on the built-in speaker for certain
Bullseye platforms, when volume is > 80%.

This issue is caused by the specific combination of Codec and AMP in
this platform, and cannot be fixed by the AMP, so indead must be fixed
at codec level, by adding attenuation to the volume.

Tested on DELL Inspiron-3505, DELL Inspiron-3501, DELL Inspiron-3500

Signed-off-by: default avatarStefan Binding <sbinding@opensource.cirrus.com>
Signed-off-by: default avatarVitaly Rodionov <vitalyr@opensource.cirrus.com>
BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1924997


Reported-and-tested-by: default avatarYou-Sheng Yang <vicamo.yang@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210426163749.196153-3-vitalyr@opensource.cirrus.com


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 0e853a9c
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment