Some platforms, like ccimx6ulsbc, don't support jack detection
out of the box.
PulseAudio will mute the Headphones by default if it believes
there is no headphones jack plugged-in. With this patch we
tell it to preserve ALSA default value for the headphones
controls.
Signed-off-by: Hector Palacios <hector.palacios@digi.com>
https://jira.digi.com/browse/DEL-3435
Hector Palacios