multi-channel HDMI audio support
Status from this message: Thanks, applied all patches now.
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Patches in v1 Applied
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/4 | hda: make standalone hdmi_fill_audio_infoframe()sound/ | +16 | 0 replies | |
| 2/4 | hda: make global snd_print_channel_allocation()sound/ sound/ | +8 | 0 replies | |
| 3/4 | hda: HDMI channel allocations for audio infoframesound/ | +205 | 0 replies | |
| 4/4 | hda: HDMI channel mapping cleanupssound/ | +18 | 0 replies |
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Cover letter [PATCH 0/4] multi-channel HDMI audio support
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