On Tue, 27 Aug 2019 at 11:34, Maxime Ripard [off-list ref] wrote:

On Mon, Aug 26, 2019 at 08:07:33PM +0200, codekipper@gmail.com wrote:

quoted

From: Marcus Cooper <redacted>

On the newer SoCs such as the H3 and A64 this is set by default
to transfer a 0 after each sample in each slot. However the A10
and A20 SoCs that this driver was developed on had a default
setting where it padded the audio gain with zeros.

This isn't a problem whilst we have only support for 16bit audio
but with larger sample resolution rates in the pipeline then SEXT
bits should be cleared so that they also pad at the LSB. Without
this the audio gets distorted.

Signed-off-by: Marcus Cooper <redacted>

If anything, I'd like to have less regmap_fields rather than more of
them. This is pretty easy to add to one of the callbacks, especially
since the field itself has been completely reworked from one
generation to the other.

ACK
That's fine....I've been doing that with the patches which follow this.
CK

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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