[alsa-devel] [PATCH v2] ALSA: Fix mute led GPIO on HP dv-series notebooks.

Takashi Iwai tiwai at suse.de
Fri Jan 15 14:49:33 CET 2010

At Fri, 15 Jan 2010 19:02:17 +0530,
Kunal Gangakhedkar wrote:
> > Thinking the logic again, however, it might be safer to check DMI
> > entries no matter which model is.  Then set statically if it's DV
> > series (i.e. !hp_blike_system()) as fallback.  I suppose HP will
> > implement the DMI entry for their new BIOS on other models in future,
> > too, so the chance is high that the right setup is detected through
> > DMI check instead of blindly fixed setup.
> > 
> They're notorious to discontinue models really fast. For example, my laptop model
> is already discontinued in less than 6 months. So, I don't think I'll be getting updates
> for my BIOS at all. What do you propose for such cases?

Sure, we'd need to do some static fixes.  But checking DMI first
is more or less "safer".

> I agree with your approach that we should be checking for DMI string unconditionally and 
> use the fixed setup as fallback - I can send the patch with those fixes too.

That'll be great.  



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