https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=136445
Run:
sudo rpi-update
In /boot/config.txt add the following line:
audio_pwm_mode=2
https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=136445
Run:
sudo rpi-update
In /boot/config.txt add the following line:
audio_pwm_mode=2