On Fri, Jul 07, 2023 at 03:47:47PM +0200, Takashi Iwai wrote: > Mark Brown wrote: > > The ASoC generic control stuff supports inverting the value prior to > > presentation to userspace so it's masked there (instead of writing the > > number userspace sees to the register we subtract the number from the > > maximum value and write that to the register), pulling that up further > > to the ALSA core might be nice I guess? > I believe yes. Though, I'm still not sure how we can improve the > mismatch of dB min/max. The dB values of those inverted controls > reflect the result of subtraction, no? Yes, the dB scale presented to userspace is reversed relative to the ordering in the registers.
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