Removed invalid references to slave_dig_outs inside the S/PDIF IN capture switch
control. Beforehand this was basically a mute switch for the S/PDIF outs as well.
Signed-off-by: NMatthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@perex.cz>