ALSA: hda - Fix max amp cap calculation for IDT/STAC codecs
The commit afbd9b8448f4b7d15673c6858012f384f18d28b8
ALSA: hda - Limit the amp value to write
introduced a regression for codec setups with amp offsets like IDT/STAC
codecs. The limit value should be a raw value without offset calculation.
Signed-off-by: Takashi Iwai <tiwai@suse.de>