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From: Wu Fengguang <wfg@linux.intel.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel <alsa-devel@alsa-project.org>
Subject: [PATCH 0/4] multi-channel HDMI audio support
Date: Wed, 19 Nov 2008 08:56:14 +0800	[thread overview]
Message-ID: <20081119005614.431653658@linux.intel.com> (raw)

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.

Thank you,
Fengguang
-- 

             reply	other threads:[~2008-11-19  1:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-19  0:56 Wu Fengguang [this message]
2008-11-19  0:56 ` [PATCH 1/4] hda: make standalone hdmi_fill_audio_infoframe() Wu Fengguang
2008-11-19  0:56 ` [PATCH 2/4] hda: make global snd_print_channel_allocation() Wu Fengguang
2008-11-19  0:56 ` [PATCH 3/4] hda: HDMI channel allocations for audio infoframe Wu Fengguang
2008-11-19  0:56 ` [PATCH 4/4] hda: HDMI channel mapping cleanups Wu Fengguang
2008-11-19  6:39 ` [PATCH 0/4] multi-channel HDMI audio support Takashi Iwai
2008-11-19  6:42   ` Wu Fengguang

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