Bug 216756

Summary:	ALC897 Headphone and Mic cannot used at same time on a TRRS jack
Product:	Drivers	Reporter:	Edward P (edward)
Component:	Sound(ALSA)	Assignee:	Jaroslav Kysela (perex)
Status:	RESOLVED CODE_FIX
Severity:	normal
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	6.0	Subsystem:
Regression:	No	Bisected commit-id:
Attachments:	Alsamixer

Description Edward P 2022-11-30 10:15:14 UTC

Created attachment 303332 [details]
Alsamixer

alsa-info.sh output: http://alsa-project.org/db/?f=22a84e3def72fe5ba376ddf1415fb27d5154fa6b

My device has a TRRS jack at front and a line out at back.

I saw there's a "Headphone Mic Jack Mode" in alsa-mixer, when switched to "Mic-in"
, Mic is usable but no sound in Headphone;
When switched to "Headphone Out", headphone can work, but no sound in microphone.

Comment 1 Edward P 2022-11-30 15:33:33 UTC

It seems that 0x1b is a "Pin Complex" node but be used as a "[Jack] HP Out at Ext Front"

Comment 2 Edward P 2022-12-07 01:06:15 UTC

Patch submitted to the Alsa-devel.