[alsa-devel] [PATCH 1/3] ALSA: hda - Remove dependency on bus->pci in hda_beep.c

Dylan Reid dgreid at chromium.org
Wed Feb 19 16:16:38 CET 2014

On Wed, Feb 19, 2014 at 12:33 AM, Takashi Iwai <tiwai at suse.de> wrote:
> At Tue, 18 Feb 2014 11:04:19 -0700,
> Stephen Warren wrote:
>> On 02/15/2014 02:22 AM, Takashi Iwai wrote:
>> > At Sat, 15 Feb 2014 10:17:33 +0100,
>> > Takashi Iwai wrote:
>> >>
>> >> The default parent device can be obtained directly via card object, so
>> >> we don't need to rely on pci->dev.parent.  Since there is no access to
>> >> pci_dev, we can reduce the inclusion of linux/pci.h, too.
>> >>
>> >> Signed-off-by: Takashi Iwai <tiwai at suse.de>
>> >
>> > I forgot the cover page: these tree patches are trivial cleanups of
>> > hda-codec drivers (not the controller) to work without PCI device
>> > assignment. The idea was triggered by Dylan's question.
>> The series seems fine to me, so briefly,
>> Reviewed-by: Stephen Warren <swarren at nvidia.com>
> Thanks.  Any chance to work on / submit other changes for Tegra
> HD-audio support?

That's the plan, hopefully I'll be able to find time to throw together
an RFC by the end of the week.

> As already mentioned, I think a cleaner way would be to write
> hda_platform.c instead of hacking hda_intel.c with ifdefs.
> Some code in hda_intel.c (e.g. bus ops and PCM callbacks) can be moved
> out, either as a new helper module or just merging into snd-hda-codec
> helper module, so that they can be used by both hda_intel.c and
> hda_platform.c.

That sounds like a good idea.  There aren't a lot of differences,
mostly isolated to init and suspend/resume.  That should be easy to
put in hda_platform.



> Ideally, we may rename hda_intel.c with hda_pci.c, but I'm afraid this
> would bring too many regressions for module options.
> Takashi

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