In case all other profiles fail, try this fallback mapping as well. It allows the device to specify the channel count, so it can be used for devices that only supports being opened in multichannel mode.
48edd0a alsa: Add a multichannel fallback mapping
src/modules/alsa/alsa-mixer.c | 1 +
src/modules/alsa/mixer/profile-sets/default.conf | 11 +++++++++--
2 files changed, 10 insertions(+), 2 deletions(-)
Upstream: cgit.freedesktop.org