[alsa-devel] [PATCH] Recognise and use subdevice 0x3061 found in some HP dv6 notebooks.

Kunal Gangakhedkar kunal.gangakhedkar at gmail.com
Mon Dec 14 11:23:54 CET 2009

On Monday 14 Dec 2009 3:37:14 pm Takashi Iwai wrote:
> At Mon, 14 Dec 2009 00:29:42 +0530,
> Kunal Gangakhedkar wrote:
> > 
> > Obvious patch.
> > Recently bought an HP Pavilion dv6-1110ax notebook. The modparm 'model=hp-dv5'
> > works, but I thought it was better if it were natively supported.
> > 
> > Also, the 'hp_detect=1' hint
> > (echo "hp_detect = 1" > /sys/class/sound/hwC0D0/hints) works nicely to mute the
> > speakers when using the headphone jack(s). Is there any way to automatically
> > enable this?
> This is weird.  hp_detect is basically always set unless you clear
> explicitly.  I guess it's simply a known IRQ problem on HP dv
> laptops.  It requires MSI.
> Anyway, could you test the very latest kernel without your patch and
> confirm that the change is still needed?

The patch wasn't about hp_detect. It was to get the subdev recognised natively so that 
you don't need the 'model=hp-dv5' modparm.

I'll try with enable_msi modparm as well without trying the hp_detect hint and let you know 
about it. Will also try the latest kernel.

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