Please note that this bug is already fixed in the daily builds of alsa-driver stable (ppa:ubuntu-audio-dev, linux-alsa-driver-modules). However, you're using an unsupported mainline build, so you'll need to compile the daily stable snapshot yourself.
Please note that this bug is already fixed in the daily builds of alsa-driver stable (ppa:ubuntu- audio-dev, linux-alsa- driver- modules) . However, you're using an unsupported mainline build, so you'll need to compile the daily stable snapshot yourself.