[pulseaudio-discuss] [PATCH] alsa-sink: Don't pretend to support passthrough on HDMI surround sinks

[Raymond Yau]

>
> It doesn't work currently (fails and falls back to PCM), due to channel
> count mismatch between the sink sample spec and the sample spec required
> by IEC61937.
>
> To be reverted when someone implements changing channel count without
> switching profiles. This would also be required for HBR passthrough over
> HDMI.
>

Not all HDMI monitors/TV support passthrough even when your hda hdmi codec
support passthrough, just checking device name contain IEC958 work but
device name contain HDMI may not work
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