Re: [PATCH 1/7] ASoC: dt-bindings: Add a new compatible for the A64 codec

Rob Herring
2020-07-31T20:21:56Z

On Sat, 25 Jul 2020 20:25:51 -0500, Samuel Holland wrote:
> The audio codecs in the A33 and A64 are both integrated variants of the
> X-Powers AC100 codec. However, there are some differences between them
> that merit having a separate compatible:
> - The A64 has a second DRC block, not present in the AC100 or A33.
> - The A33 has some extra muxing options for AIF1/2/3 in the
> AIF3_SGP_CTRL register, which are not present in the AC100 or A64.
> - The A33 is missing registers providing jack detection functionality.
> - The A33 is claimed to invert LRCK, but this is not seen on A64.
>
> Since the driver will continue to work on the A64 using the A33
> compatible, albeit without jack detection functionality and with
> possibly inverted channels, as it does now, allow the A33 compatible
> to be used as a fallback.
>
> Signed-off-by: Samuel Holland <samuel@sholland.org>
> ---
> .../bindings/sound/allwinner,sun8i-a33-codec.yaml | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>

Reviewed-by: Rob Herring <robh@kernel.org>