HDMI Audio for N/S Islands ?

[Rafał Miłecki]

2012/4/23 Xavier Bestel <xavier.bestel at free.fr>:
>
> On Sun, 2012-04-22 at 13:00 -0400, Alex Deucher wrote:
>> On Sun, Apr 22, 2012 at 8:49 AM, Jrmrch Linux <jrmrch.linux at gmail.com> wrote:
>> > Hi Everyone,
>> >
>> > according to this page :
>> > http://www.x.org/wiki/RadeonFeature#Feature_Matrix_for_Free_Radeon_Drivers , the HDMI Audio Output for N and S Islands are to develop. Is there anyone on the job ?
>> >
>>
>> I have a WIP patch here if someone wants to finish it up:
>> http://people.freedesktop.org/~agd5f/0001-WIP-port-of-hdmi-dp-audio-code-to-newer-kernel.patch
>
> Does that patch enable more than 2 channels (without resorting to
> A52-encoded audio) on capable chipsets ? I can't tell from the patch,
> the only thing I can see is
>        int channels = r600_audio_channels(rdev);
> which doesn't look like there's much change.

For more PCM audio channels we need to improve audio driver (alsa
one). Currently it's not capable of anything more than 2 channels.
r600_audio_channels just reads amount of channels that are received by
the audio block and that info is used to create correct HDMI audio
frame.

-- 
Rafał