On Fri, Mar 11, 2022 at 04:32:58PM +0000, Charles Keepax wrote:
> Currently macros only exist for SX style (implicit sign bit 2's
> compliment) volume controls where the volumes for left and right
> are in separate registers. Some future Cirrus devices will have
> both volumes in the same register, as such add a new macro to
> support this.

Have you tested the bounds checking on _SX controls with mixer-test?