[alsa-devel] [PATCH 0/4] multi-channel HDMI audio support

Takashi Iwai tiwai at suse.de
Wed Nov 19 07:39:16 CET 2008


At Wed, 19 Nov 2008 08:56:14 +0800,
Wu Fengguang wrote:
> 
> Hi Takashi,
> 
> This patchset attempts to support multi-channel HDMI audio.
> 
> It contains two basic operations:
> 
> - setup the CA(channel-allocation) byte in the audio infoframe
> - setup the converter channel to HDMI slot mapping
> 
> Please read patch 3 for more detailed descriptions:
> 
> 	[PATCH 1/4] hda: make standalone hdmi_fill_audio_infoframe()                               
> 	[PATCH 2/4] hda: make global snd_print_channel_allocation()                       
> 	[PATCH 3/4] hda: HDMI channel allocations for audio infoframe                               
> 	[PATCH 4/4] hda: HDMI channel mapping cleanups                                               
> 
> The current implementation only does minimal works that ensure multi-channel
> audio playing out. However the wrong speakers may be selected. We could
> elaborate the framework/policy if it proves to be a problem.

Thanks, applied all patches now.


Takashi


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