[PATCH 00/11] drm/vc4: hdmi: Enable Channel Mapping, IEC958, HBR Passthrough using hdmi-codec

Maxime Ripard maxime at cerno.tech
Mon May 24 15:39:04 CEST 2021


Hi,

On Fri, May 07, 2021 at 04:03:23PM +0200, Maxime Ripard wrote:
> Hi,
> 
> hdmi-codec allows to have a lot of HDMI-audio related infrastructure in place,
> it's missing a few controls to be able to provide HBR passthrough. This series
> adds more infrastructure for the drivers, and leverages it in the vc4 HDMI
> controller driver.
> 
> One thing that felt a bit weird is that even though
> https://www.kernel.org/doc/html/latest/sound/kernel-api/writing-an-alsa-driver.html#iec958-s-pdif
> mentions that the iec958 mask control should be a mixer control and the
> default control should be a PCM one, it feels a bit weird to have two different
> control type for two controls so similar, and other drivers are pretty
> inconsistent with this. Should we update the documentation?

Any comments on this series?
Thanks!
Maxime
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