[alsa-devel] ALC892, Clevo P150HM: Input Source gets reset to "Mic" every resume

Takashi Iwai tiwai at suse.de
Sat Feb 25 11:16:37 CET 2012


At Fri, 24 Feb 2012 23:06:26 +0100,
Julian Sikorski wrote:
> 
> W dniu 24.02.2012 10:43, Takashi Iwai pisze:
> > At Thu, 23 Feb 2012 20:11:44 +0100,
> > Julian Sikorski wrote:
> >>
> >> W dniu 09.12.2011 14:32, Raymond Yau pisze:
> >>> 2011/12/4 Julian Sikorski <belegdol at gmail.com>:
> >>>> Hi,
> >>>>
> >>>> whenever I resume the machine, the Input Source would get changed back
> >>>> from "Internal Mic" to "Mic". This is a bit annoying, because pulseaudio
> >>>> is unaware of that change. As a result, everything looks fine in
> >>>> pavucontrol but no sound gets recorded. A quick look at alsamixer -c0
> >>>> revealed the problem. My alsa info:
> >>>>
> >>>> http://www.alsa-project.org/db/?f=c5776b615a5f3b9ae624e4250fb0c2b69118ce26
> >>>>
> >>>> This is unrelated to the other problems I have been reporting, since
> >>>> this happens on a mostly-stock Fedora 3.1.2 kernel (the patch I added
> >>>> deals with xhci, not alsa).
> >>>
> >>> The problem seem can be reproduced by using hda-emu,
> >>> it is init_capsrc_for_pin() and alc_auto_init_input_src() write value
> >>> to cache before snd_hda_codec_resume_app() from cache
> >>>
> >>>
> >>>> get 28
> >>> 28 Input Source:0
> >>> ITEM: 0:Mic, 1:Internal Mic, 2:Line, VAL: [Mic]
> >>>> set 28 1
> >>> send: NID=0x23, VERB=0x360(set_amp_gain_mute,I:L#0), PARM=0x80
> >>> send: NID=0x23, VERB=0x350(set_amp_gain_mute,I:R#0), PARM=0x80
> >>> send: NID=0x23, VERB=0x361(set_amp_gain_mute,I:L#1), PARM=0x0
> >>> send: NID=0x23, VERB=0x351(set_amp_gain_mute,I:R#1), PARM=0x0
> >>>> get 28
> >>> 28 Input Source:0
> >>> ITEM: 0:Mic, 1:Internal Mic, 2:Line, VAL: [Internal Mic]
> >>>
> >>> pm
> >>> ** SUSPENDING **
> >>> ...
> >>> ** RESUMING **
> >>> PM-Notified
> >>> ...
> >>> exec_init_verbs
> >>> ...
> >>>
> >>> init_capsrc_for_pin 18
> >>> send: NID=0x23, VERB=0xb20(get_amp_gain_mute,I:L#0), PARM=0x0
> >>> receive: 0x0
> >>> send: NID=0x23, VERB=0xb00(get_amp_gain_mute,I:R#0), PARM=0x0
> >>> receive: 0x0
> >>> init capsrc for pin 19
> >>> send: NID=0x23, VERB=0xb20(get_amp_gain_mute,I:L#0), PARM=0x1
> >>> receive: 0x80
> >>> send: NID=0x23, VERB=0x361(set_amp_gain_mute,I:L#1), PARM=0x0
> >>> send: NID=0x23, VERB=0xb00(get_amp_gain_mute,I:R#0), PARM=0x1
> >>> receive: 0x80
> >>> send: NID=0x23, VERB=0x351(set_amp_gain_mute,I:R#1), PARM=0x0
> >>> init capsrc for pin 1a
> >>> send: NID=0x23, VERB=0xb20(get_amp_gain_mute,I:L#0), PARM=0x2
> >>> receive: 0x80
> >>> send: NID=0x23, VERB=0x362(set_amp_gain_mute,I:L#2), PARM=0x0
> >>>
> >>> alc_auto_init_input_src
> >>> send: NID=0x23, VERB=0x361(set_amp_gain_mute,I:L#1), PARM=0x80
> >>> send: NID=0x23, VERB=0x351(set_amp_gain_mute,I:R#1), PARM=0x80
> >>> send: NID=0x23, VERB=0x362(set_amp_gain_mute,I:L#2), PARM=0x80
> >>> send: NID=0x23, VERB=0x352(set_amp_gain_mute,I:R#2), PARM=0x80
> >>>
> >>> snd_hda_codec_resume_app
> >>> send: NID=0x23, VERB=0x363(set_amp_gain_mute,I:L#3), PARM=0x80
> >>> send: NID=0x23, VERB=0x353(set_amp_gain_mute,I:R#3), PARM=0x80
> >>> send: NID=0x23, VERB=0x364(set_amp_gain_mute,I:L#4), PARM=0x80
> >>> send: NID=0x23, VERB=0x354(set_amp_gain_mute,I:R#4), PARM=0x80
> >>> send: NID=0x23, VERB=0x365(set_amp_gain_mute,I:L#5), PARM=0x80
> >>> send: NID=0x23, VERB=0x355(set_amp_gain_mute,I:R#5), PARM=0x80
> >>> send: NID=0x23, VERB=0x366(set_amp_gain_mute,I:L#6), PARM=0x80
> >>> send: NID=0x23, VERB=0x356(set_amp_gain_mute,I:R#6), PARM=0x80
> >>> send: NID=0x23, VERB=0x367(set_amp_gain_mute,I:L#7), PARM=0x80
> >>> send: NID=0x23, VERB=0x357(set_amp_gain_mute,I:R#7), PARM=0x80
> >>> send: NID=0x23, VERB=0x368(set_amp_gain_mute,I:L#8), PARM=0x80
> >>> send: NID=0x23, VERB=0x358(set_amp_gain_mute,I:R#8), PARM=0x80
> >>> send: NID=0x23, VERB=0x369(set_amp_gain_mute,I:L#9), PARM=0x80
> >>> send: NID=0x23, VERB=0x359(set_amp_gain_mute,I:R#9), PARM=0x80
> >>> send: NID=0x23, VERB=0x36a(set_amp_gain_mute,I:L#10), PARM=0x80
> >>> send: NID=0x23, VERB=0x35a(set_amp_gain_mute,I:R#10), PARM=0x80
> >>> ...
> >>>
> >>>> get 28
> >>> 28 Input Source:0
> >>> ITEM: 0:Mic, 1:Internal Mic, 2:Line, VAL: [Mic]
> >> The problem still exists in 3.2.7-1.fc16.x86_64 kernel, is there any
> >> chance for a fix?
> > 
> > Does the patch below fix?
> > 
> > 
> > Takashi
> 
> Yes, it seems so. I don't want to get ahead of myself, but two
> suspend-resume cycles have passed and inputs are at Internal Mic and
> Mic, as expected.

Thanks for checking.  I committed the fix to git tree, also Cc'ed to
stable.


Takashi


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