[alsa-devel] Fwd: Problems with hda_intel, Santa Rosa, and suspend

Takashi Iwai tiwai at suse.de
Mon Jul 9 14:52:18 CEST 2007


At Fri, 06 Jul 2007 18:56:54 +0200,
Thorsten Leemhuis wrote:
> 
> On 06.07.2007 18:19, Takashi Iwai wrote:
> > At Fri, 06 Jul 2007 17:46:04 +0200,
> > Thorsten Leemhuis wrote:
> >> On 06.07.2007 11:32, Takashi Iwai wrote:
> >>> At Thu, 5 Jul 2007 21:42:21 -0500,
> >>> Matt Mullins wrote:
> > [...]
> >>>>  It still
> >>>> doesn't work after a suspend, though, making me unload and reload the
> >>>> module.
> >>> Do you mean you'll get a communication error after suspend, or got no
> >>> sound output, or any other problem?
> >> I simply don't get any audio output at all after either suspend or
> >> hibernate. Reloading the module after suspend/hibernate makes the sound
> >> working again.
> > Doesn't changing the mixer values after resume have any effect?
> 
> No, I tried that beforehand already and just re-tried -- changing 
> the mixer values does not help. Everything still silent. 

I suppose that re-plugging the headphone also doesn't help?

>  
> > Also, could you compare the codec#* proc dump before and after
> > suspend/resume?
> 
> --- codec0-before       2007-07-06 18:40:47.000000000 +0200
> +++ codec0-aftersuspend 2007-07-06 18:42:50.000000000 +0200
> @@ -22,7 +22,7 @@
>      Conn = 1/8, Color = Black
>    Pin-ctls: 0x20: IN
>    Connection: 2
> -     0x10 0x11*
> +     0x10* 0x11
>  Node 0x0c [Pin Complex] wcaps 0x400181: Stereo
>    Pincap 0x081737: IN OUT Detect
>    Pin Default 0x90a70120: [Fixed] Mic at Int N/A
> @@ -103,7 +103,7 @@
>    Amp-Out caps: ofs=0x00, nsteps=0x04, stepsize=0x27, mute=0
>    Amp-Out vals:  [0x00 0x00]
>    Connection: 7
> -     0x0e 0x16 0x0f 0x0b 0x0c* 0x0d 0x0a
> +     0x0e* 0x16 0x0f 0x0b 0x0c 0x0d 0x0a
>  Node 0x1b [Audio Selector] wcaps 0x300103: Stereo Amp-In
>    Amp-In caps: N/A
>    Amp-In vals:  [0x00 0x00]

They are input pins, so it should be irrelevant to outputs.

You wrote that re-loading the module works;  could you compare the
proc file before and after reloaind the module?


Takashi


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