[alsa-devel] [PATCH v3 0/5] ALSA: hda - hdmi: ATI/AMD multi-channel and HBR support

Anssi Hannula anssi.hannula at iki.fi
Fri Nov 8 11:27:11 CET 2013

08.11.2013 07:08, Olivier Langlois kirjoitti:
> On Thu, 2013-10-24 at 21:26 +0300, Anssi Hannula wrote:
>> 24.10.2013 21:10, Anssi Hannula kirjoitti:
>>> Hi all!
>>> Here's another revision of the ATI/AMD multichannel+HBR patchset.
>>> Changes:
>>> - added customizable callbacks instead of polluting generic code
>>> - fixed wrong codec id in rev3+ check (as previously noted)
>>> - cosmetics
>>> I've only tested this on NVIDIA/Intel, but I'd guess at least Peter
>>> should be able to test this on AMD in a few days or so. The earlier
>>> revisions were tested to fully work.
>>> Combined patch can be found at: http://onse.fi/files/atihdmi5.patch
>>> However, this patchset is on top recent sound-next commits so it does not
>>> directly apply on older kernels.
>> Aand that would be http://onse.fi/files/atihdmi6.patch not 5.
>>> Olivier, I hope you will be able to test this at some point as well
>>> (same things as last time), even though it will be a bit more work :)
> Anssi,
> I have tried to patch 3.11.7 and the code in patch_hdmi.c looks too
> different to be able to able to manually merge the rejected hunks.
> What is sound-next? A git branch? Where can I get it?

The sound tree is at:

You can use the master branch now, it has been merged there.

> How independant is the sound subsystem from the rest of the kernel? My
> guess is that it is not that tightly coupled with the rest and dropping
> sound-next version of patch_hdmi.c into my 3.11.7 source tree could work
> or require minimal work. Will upgrade to 3.12 in a couple of day....

Often you can just copy the sound/pci/hda directory from a newer kernel
and then build the modules for the current kernel
("make -C/lib/modules/$(uname -r)/build M=$PWD") with only minimal
changes and possibly disabling unused modules in Makefile.

Anssi Hannula

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