No sound with DAC HAT

[lesti]

Description

When building an image with the most current version of all used layers (had to update because of the switch to honister anyway) there seems to be a problem with the audio output via the HiFiBerry DAC zero.

Steps to reproduce the issue:

1. build an image with dtoverlay=hifiberry-dac and force_eeprom_read=0 in the RPI_EXTRA_CONFIG variable
2. boot the system and try to play a wav file (e.g. aplay file.wav)

Describe the results you received: There is no sound coming out of the RCA jacks on the DAC when playing the wav file via the DAC. However, on current RaspberryPi OS (kernel 5.10.17-v7+) with the same hardware configuration, the same wav file plays just fine and the audio comes out of the jacks.

Describe the results you expected: The audio should be audible also on the yocto build.

Additional information you deem important (e.g. issue happens only occasionally): aplay -l/aplay -L list the sound card as normal on my distro (looks the same on RaspberryPi OS). However, when running an alsactl init, it throws the error of not being able to import an use case config (Unable to find the top-level configuration file '/usr/share/alsa/ucm2/ucm.conf' + error: failed to import hw:0 use case configuration -2), though I'm not sure if this is important at all. The card is not muted (not possible without digital mixer in between).

Additional details (revisions used, host distro, etc.): Most current versions of all used layers as of time writing. meta-raspberrypi @ 9eb4879cf4a289607ec7493577adb0ba97367821 poky @ 10e73107307ab5ece9d0430af17f3d9f28f457ad meta-oe @ aee2f10638f1407e874970f540c2427a6dc8e6dc

[agherzan]

@lesti Sadly I don't have such a hat at my disposal. I would start by investigating this on the Raspbian side, and if things look valid on that side, try to find the differences.

[lesti]

It seems some recent update fixed this, so I guess we can close this.

[agherzan]

It seems some recent update fixed this, so I guess we can close this.

Thanks for confirming.