http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/mixer/profile-sets/default.conf
[Mapping iec958-stereo] device-strings = iec958:%f channel-map = left,right paths-input = iec958-stereo-input paths-output = iec958-stereo-output priority = 5
as pulseaudio already define iec958-stereo-input
when there is iec958-stereo-output.conf
why there is no iec958-stereo-input.conf
http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/mixer/paths
http:// cgit.freedeskto p.org/pulseaudi o/pulseaudio/ tree/src/ modules/ alsa/mixer/ profile- sets/default. conf
[Mapping iec958-stereo] stereo- output
device-strings = iec958:%f
channel-map = left,right
paths-input = iec958-stereo-input
paths-output = iec958-
priority = 5
as pulseaudio already define iec958-stereo-input
when there is iec958- stereo- output. conf
why there is no iec958- stereo- input.conf
http:// cgit.freedeskto p.org/pulseaudi o/pulseaudio/ tree/src/ modules/ alsa/mixer/ paths