The log doesn't match your problem description. The digital profile is not activated at all. The log shows switching between headphones and lineout in 2.1 mode. You wanted to use 5.1, so is your problem actually that you get 2.1 audio instead of 5.1?
The log doesn't match your problem description. The digital profile is not activated at all. The log shows switching between headphones and lineout in 2.1 mode. You wanted to use 5.1, so is your problem actually that you get 2.1 audio instead of 5.1?