[alsa-devel] No jack sense on Intel 82801I / IDT 92HD71B7X in a HP dv4

Gustavo Maciel Dias Vieira gustavo at sagui.org
Fri Jun 12 20:01:09 CEST 2009

Em Qui, 2009-06-11 às 21:27 +0200, Takashi Iwai escreveu:
> > Interrupt 22 stays always with 0. Even when correctly playing
> sounds. I
> > tested this on another machine with HD-Audio, and the equivalent
> > interrupt increased when playing. Also, in this other system
> interrupt 0
> > (timer) is hardly issued, but in this laptop it is firing all the
> time.
> > 
> > How can the driver be working without interrupts?
> That's weird.
> Did you try enable_msi=1 module option, BTW?

Just tried now. The interrupts started flowing and, tada, jack sense

Thanks, Takashi, that solves it for me. Is there a way to automate this
in the driver for the other less technically inclined users?


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