DAC to AC Coupled Headphones

Digital audio setup for operation with defaults of USB-MODEVM

Input:
DAC
    - left data to LDAC and right data to RDAC
    - volume control = 0dB
    - Connected to outputs via mixer mode

High Power Outputs
    - Single-ended headphone outputs
    - AC-coupled headphone configuration
    - LDAC to HPLOUT
    - RDAC to HPRDAC
    - Mixer gain = 0dB
    - Output amplifier gain = 0dB

Register configuration:

w 30 07 8A
w 30 29 02
w 30 2B 00
w 30 0E C0
w 30 25 E0
w 30 26 10
w 30 2F 80
w 30 40 80
w 30 41 0D
w 30 33 0D
