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

Wu Fengguang wfg at linux.intel.com
Wed Nov 19 07:42:16 CET 2008


On Wed, Nov 19, 2008 at 07:39:16AM +0100, Takashi Iwai wrote:
> 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.

Thank you, I'll post more cleanups after a while :-)

Regards,
Fengguang


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