snd-ca0106 Fixed SPDIF output.
snd-ca0106 Fixed SPDIF output.

Example failure error message before fix:

speaker-test 0.0.8

Playback device is spdif
Stream parameters are 48000Hz, S16_LE, 2 channels
Using 16 octaves of pink noise
ALSA lib setup.c:549:(add_elem) Cannot obtain info for CTL elem (MIXER,'SPDIF Front',0,0,0): No such file or directory
Playback open error: -2,No such file or directory

takaswie/alsa-lib,mikelima/alsa-lib,Distrotech/alsa-lib,lgirdwood/alsa-lib,alsa-project/alsa-lib,zedongchen/alsa-lib,takaswie/alsa-lib,gittup/alsa-lib,takaswie/alsa-lib,mikelima/alsa-lib,zedongchen/alsa-lib,tiwai/alsa-lib,gittup/alsa-lib,mikelima/alsa-lib,mengdonglin/alsa-lib,mikelima/alsa-lib,tiwai/alsa-lib,alsa-project/alsa-lib,Distrotech/alsa-lib,alsa-project/alsa-lib,lgirdwood/alsa-lib,lgirdwood/alsa-lib,tiwai/alsa-lib,gittup/alsa-lib,lgirdwood/alsa-lib,mengdonglin/alsa-lib,mengdonglin/alsa-lib,Distrotech/alsa-lib,zedongchen/alsa-lib,gittup/alsa-lib,takaswie/alsa-lib,mengdonglin/alsa-lib,Distrotech/alsa-lib,mengdonglin/alsa-lib,lgirdwood/alsa-lib,zedongchen/alsa-lib,zedongchen/alsa-lib,alsa-project/alsa-lib,mikelima/alsa-lib,takaswie/alsa-lib,tiwai/alsa-lib,Distrotech/alsa-lib