@taihsiang, can you grab the package oem-audio-hda-daily-dkms from https://launchpad.net/~ubuntu-audio-dev/+archive/ubuntu/alsa-daily?field.series_filter=trusty and check again if the problem still exist?
@taihsiang, can you grab the package oem-audio- hda-daily- dkms from https:/ /launchpad. net/~ubuntu- audio-dev/ +archive/ ubuntu/ alsa-daily? field.series_ filter= trusty and check again if the problem still exist?