[alsa-devel] [PATCH] ALSA: hda - Add DeviceID for Haswell HDA

[Takashi Iwai]

At Mon, 16 Jul 2012 10:20:37 +0200,
David Henningsson wrote:
> 
> On 07/13/2012 07:48 PM, Jaroslav Kysela wrote:
> > !!Advanced information - PCI Vendor/Device/Subsystem ID's
> > !!-------------------------------------------------------
> >
> > 00:03.0 0403: 8086:0c0c (rev 01)
> > 	Subsystem: 8086:2010
> > --
> > 00:1b.0 0403: 8086:8c20 (rev 01)
> > 	Subsystem: 8086:7270
> >
> >
> > Perhaps, we may add also some code to penalize the HDMI only HDA bridges
> > and allocate these cards on indexes 1+ by default (implement
> > AZX_DCAPS_INDEX1) . Comments? I'll prepare a patch upon an agreement.
> 
> While this wouldn't hurt, I don't see much gain from it either. Are 
> there really that many applications that hard-code "plughw:0", or what 
> is the main reason that you want to switch the order of these two?

I guess it's about the system without PA or such.
alsa-lib takes the index 0 for the system-default card unless
specified by user.  And user wants the analog I/O normally as the
primary I/O.


Takashi