[alsa-devel] [Fwd: HP DV4 1155 SE - No Sound through speakers...]
tiwai at suse.de
Sat Jan 31 10:20:24 CET 2009
At Sat, 31 Jan 2009 08:52:19 +0100,
Jean-Pierre André wrote:
> > Hi all, I have an HP DV4 1155-SE, I've been unable to get sound working
> > through the speakers, although it does work through the headhpones. I ran
> > alsa-.upgrade which downloaded compiled, and installed 1.0.19 - still no
> > luck.
> I have the same IDT codec 92HD71B7X on another
> HP DV4 model, and I have tracked the problem to be
> the kernel configuring IRQ 22 through the APIC, but
> interrupts triggerring IRQ 20 (on kernel 2.6.27 and
> alsa 1.0.19). It would be interesting if you could
> confirm this by analyzing /proc/interrupts.
> The workarounds I know of are :
> - adding irqpoll to the boot options,
> - or adding noapic to the boot options,
> - using mplayer to play music.
> There are with option "snd-hda-intel model=hp-m4"
> (this option is for HP DV5/DV7, but HP DV4
> is probably different)
For the latest driver, it might be better to use model=hp-dv5.
It's totally irrelevant with the IRQ issue, though.
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