/usr/share/alsa-card-profile/mixer/profile-sets/custom-profile.conf

[General]
auto-profiles = no # disable  profile auto-generation
# Leave only relevant mappings:
[Mapping analog-stereo]
device-strings = front:%f
channel-map = left,right
paths-output = analog-output analog-output-lineout analog-output-speaker analog-output-headphones analog-output-headphones-2
paths-input = analog-input-front-mic analog-input-rear-mic analog-input-internal-mic analog-input-dock-mic analog-input analog-input-mic analog-input-linein analog>
priority = 15

[Mapping iec958-stereo]
device-strings = iec958:%f
channel-map = left,right
paths-input = iec958-stereo-input
paths-output = iec958-stereo-output
priority = 5

[Profile output:analog-stereo+output:iec958-stereo+input:analog-stereo]
description = Analog and digital stereo output and analog stereo intput
output-mappings = analog-stereo iec958-stereo
input-mappings = analog-stereo
skip-probe=yes # since you know what your sound card has, there is no need for checking which sinks are available