lkml.org 
[lkml]   [2010]   [Apr]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [regression] Sound not transferred to docking station after resume from StR
At Sat, 17 Apr 2010 11:06:22 +0200,
Frans Pop wrote:
>
> On Friday 16 April 2010, Frans Pop wrote:
> > Scenario:
> > - suspend laptop while *un*docked, i.e. with laptop speakers in use
> > - dock laptop
> > - resume
> >
> > With 2.6.33 and earlier the sound would always come from the external
> > speakers connected to the docking station. But with 2.6.34-rc4 I get
> > sound still coming from the laptop's internal speakers, which is not
> > correct.
>
> The problem is slightly different than I thought. Turns out *both* the
> internal (laptop) and external (docking station) speakers are active after
> the resume. So the problem is that the internal speakers are not switched off.
>
> I have traced this to an ALSA merge: 524df55725217. Unfortunately I get
> boot failures when I try to bisect down into that merge.
>
> Here's the bisect log:
> # bad: [0d0fb0f9c5fddef4a10242fe3337f00f528a3099] Linux 2.6.34-rc4
> # good: [724e6d3fe8003c3f60bf404bf22e4e331327c596] Linux 2.6.33-rc8
> git bisect start 'v2.6.34-rc4' 'v2.6.33-rc8'
> # bad: [94468080220162f74dc6ce5c3e95e5fec8022902]
> Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
> git bisect bad 94468080220162f74dc6ce5c3e95e5fec8022902
> # bad: [524df55725217b13d5a232fb5badb5846418ea0e] Merge branch 'for-linus'
> of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
> git bisect bad 524df55725217b13d5a232fb5badb5846418ea0e
> # good: [0f4533979473a456a8adb3869365e12c7a99cf65]
> Merge branches 'futexes-for-linus', 'irq-core-for-linus' and
> 'bkl-drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
> git bisect good 0f4533979473a456a8adb3869365e12c7a99cf65

Could you give alsa-info.sh on your machine, preferably before/after
suspend on both working (2.6.33) and non-working kernels?

Also, you can try to copy sound/pci/hda/patch_analog.c from 2.6.33 to
2.6.34 to check whether it works. There shouldn't be many changes in
that file.


thanks,

Takashi


\
 
 \ /
  Last update: 2010-04-19 09:49    [W:0.041 / U:0.112 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site