Mute the device before shutdown to avoid pops and clicks for all types
of boost.
Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220413083728.10730-9-tanureal@opensource.cirrus.comSigned-off-by: Takashi Iwai <tiwai@suse.de>