Pi 3B 2mic hat not recognized

Hello

I have a Raspberry pi 3b - Raspbian Stretch and a respeaker 2mic hat;

It was installed in accordance to the seeed get started process ( april 2019) and worked correctly.

Then after a halt or a reboot ( Don’t know) it stopped to work.

There is no recognition of the mic and playback devices by the pi anymore.

Aplay detects only the audio system on the Pi and Arecord detects Nothing.

I update/upgrade the system and tried to re-install the pilots ( uninstall.sh; install.sh) but no improvement. Git clone didn’t work as the seeed-voicecard directory already exists.

The leds and the button work correctly.

I saw in this forum that this problem is not knew and was corrected by reinstalling the system. It didn’t work here; so may be I missed something or there is something else to do.

Any clue ?

Thanks

Hi there,



we build image with alexa/snowboy/drivers installed. you can download the 2018-08-06 image and burn to sd card. you can get the mics work directly. thanks.



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Do you have images built on the Buster release of Raspbian?