Audio-HAT-card

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Audio HAT(hardware-attached-on-top) cards

ThinkBoard supports some HiFiBerry and IQAudIO Audio HAT(hardware-attached-on-top) cards.
You can enable one of them by dts overlay: add the following line at /boot/hw_intf.conf
NOTE : You should use the V2.0.3 image or later to support the following devices

Brand Model IC dtoverlay file Status Image I2S Slave Note
HiFiBerry HiFiBerry DAC+ Light PCM5102a dtoverlay=hifiberry-dac Released 2.0.3    
HiFiBerry HiFiBerry DAC+ PRO PCM5122 dtoverlay=hifiberry-dacplus  Support 2.0.6 Yes only support on Tinker Board S
HiFiBerry HiFiBerry DAC+ Standard (RCA) PCM5122 dtoverlay=hifiberry-dacplus Released 2.0.3    
HiFiBerry HiFiBerry AMP+ TAS5713 dtoverlay=hifiberry-amp  Released 2.0.3    
HiFiBerry HiFiBerry Digi+ Standard WM8804 dtoverlay=hifiberry-digi Support 2.0.5 Yes only support on Tinker Board S
IQaudIO IQAudio Pi-Digi+ WM8804 dtoverlay=iqaudio-digi-wm8804-audio Support 2.0.5 Yes only support on Tinker Board S
IQaudIO IQAudio Pi-DAC+ PCM5122 dtoverlay=iqaudio-dacplus Released 2.0.3    
IQaudIO IQAudio Pi-DAC Pro PCM5242 dtoverlay=iqaudio-dacplus Released 2.0.3   driver as same as PCM5122
IQaudIO IQAudio Pi-DigiAMP+ TAS5756m dtoverlay=iqaudio-dacplus Released 2.0.3   set auto-mute-amp as default
Hiton Audio Tube-Pi PCM5122 dtoverlay=hifiberry-dac Support 2.0.5    
JustBoom DAC HAT PCM5122 dtoverlay=justboom-dac Support 2.0.5    
JustBoom DAC Zero PCM5121 dtoverlay=justboom-dac Support 2.0.5   driver as same as PCM5122
JustBoom Amp HAT TAS5756m dtoverlay=justboom-dac Support 2.0.5    
JustBoom Amp Zero TAS5756 dtoverlay=justboom-dac Support 2.0.5   Amp Zero can only supply 5V/1.5A to TinkerBoard through GPIO, but TinkerBoard needs 5V/3A.
So just use the TinkerBoard's power though 40pin header, do not use external power supply connected to Amp Zero.
JustBoom Digi HAT WM8804GEDS dtoverlay=justboom-digi Support 2.0.5 Yes only support on Tinker Board S
JustBoom Digi Zero WM8804GEDS dtoverlay=justboom-digi Support 2.0.5 Yes only support on Tinker Board S

 

  After rebooting, execute "aplay -l" at terminal, you can see the card of HDMI is replaced by HiFiBerry/IQAudIO, use the card and the sound will come from both HiFiBerry/IQAudIO and HDMI.