ALSA: virtuoso: add de-emphasis control

Add control for the de-emphasis filter in the PCM179x DACs

Signed-off-by: Tom Yan <tom.ty89@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Tom Yan 2018-12-20 07:45:51 +08:00 • committed by Takashi Iwai
commit 748b6ec359
2 changed files with 69 additions and 3 deletions