How to enable ES9023-based DAC hat on Rock64?
#1
I booted mainline Arch Linux  kernel 5.11 and did not see the audio.

Tried with latest Armbian 5.10-21-rockchip64 and saw no audio either. 

aplay -l shows the following both with and without the DAC hat:

Code:
**** List of PLAYBACK Hardware Devices ****
card 0: rockchiprk3328 [rockchip,rk3328], device 0: ff000000.i2s-i2s-hifi i2s-hifi-0 [ff000000.i2s-i2s-hifi i2s-hifi-0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: rockchiprk3328 [rockchip,rk3328], device 1: ff010000.i2s-rk3328-hifi ff410000.codec-1 [ff010000.i2s-rk3328-hifi ff410000.codec-1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: rockchiprk3328 [rockchip,rk3328], device 2: ff030000.spdif-dit-hifi dit-hifi-2 [ff030000.spdif-dit-hifi dit-hifi-2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

Find /usr -name '*9023*' gives no results.

Any hints where to move from there?
  Reply
#2
I played with all combinations of jumpers but to no avail.
  Reply
#3
My recommendation: Use a USB DAC and skip the I2S DACs.

I've used several USB DACs on Linux and even the Pinephone and have had to do nothing more than plug them in.
  Reply


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