ALSA: scarlett2: Add autogain target controls

The Scarlett 4th Gen and Vocaster interfaces allow the autogain target
dBFS value(s) to be configured. Add Mean and Peak Target controls for
4th Gen, and a Hot Target control for Vocaster.

Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Message-ID: <33d7f6dc965ab09522361ec99745a0685e4b8272.1710264833.git.g@b4.vu>
This commit is contained in:
Geoffrey D. Bennett 2024-03-13 05:07:56 +10:30 • committed by Takashi Iwai
commit e30ea5340c