ALSA: hda/tas2781: A workaround solution to lower-vol issue among lower calibrated-impedance micro-speaker on TAS2781

Browse source

On TAS2781, if the Speaker calibrated impedance is lower than default
value hard-coded inside the TAS2781, it will cuase vol lower than
normal. In order to fix this issue, the parameter of SineGainI need
updating.

Signed-off-by: Shenghao Ding <shenghao-ding@ti.com>
Tested-by: Matthew Schwartz <matthew.schwartz@linux.dev>
Link: https://patch.msgid.link/20260227144641.1243-1-shenghao-ding@ti.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

...

This commit is contained in:

Shenghao Ding 2026-02-27 22:46:40 +08:00 • committed by Takashi Iwai

parent 068641bc9d

commit 05ac3846ff

3 changed files with 98 additions and 12 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

1

include/sound/tas2781.h

View file

15

sound/hda/codecs/side-codecs/tas2781_hda_i2c.c

View file

94

sound/soc/codecs/tas2781-fmwlib.c

View file