Acer C720 bluetooth audio

gistfile1.txt

sudo apt-get install firmware-atheros blueman bluez-alsa
sudo apt-get purge pulseaudio
sudo apt-get autoremove --purge

sudo nano /etc/pm/sleep.d/05_Sound

#!/bin/bash
mods=( btusb bnep ath3k rfcomm bluetooth )
case "${1}" in
hibernate|suspend)
service bluetooth stop
for m in "${mods[@]}"
do
/sbin/rmmod $m
done
;;
resume|thaw)
for m in "${mods[@]}"
do
/sbin/modprobe $m
done
service bluetooth start
;;
esac

nano ~/.asoundrc

@hooks [{
	func load
	files ["/usr/share/alsa/bluetooth.conf"]
	errors false
}]

pcm.bt {
	type plug
	slave { pcm bt_softvol }
}

pcm.bt_softvol {
	type softvol
	slave { pcm bluetooth }
	control { name "Master" card 0 }
}

sudo nano /etc/bluetooth/audio.conf

Enable=Socket
AutoConnect=true

sudo service bluetooth restart
sudo alsa force-reload
aplay -D default /usr/share/sounds/alsa/Front_Center.wav
aplay -D sysdefault /usr/share/sounds/alsa/Front_Center.wav

chromium --alsa-output-device=bt