ReSpeaker 2-Mics Pi HAT not recognized by Pi Zero 2 W

Support
1

ReSpeaker is not recognized by Pi Zero 2 W after multiple installs:

pi@raspberrypi:~ $ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: vc4hdmi [vc4-hdmi], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0]
Subdevices: 1/1
Subdevice #0: subdevice #0
pi@raspberrypi:~ $ arecord -l
**** List of CAPTURE Hardware Devices ****
pi@raspberrypi:~ $

New ReSpeaker 2-Mics Pi HAT , new Raspberry Pi Zero 2 W,
Linux version 5.10.63-v7+ (dom@buildbot) (arm-linux-gnueabihf-gcc -8 (Ubuntu/Linaro 8.4.0-3ubuntu1) 8.4.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #1488 SMP Thu Nov 18 16:14:44 GMT 2021,

Used this link for OS download: https://www.raspberrypi.com/software/ and used Raspberry Pi Imager v 1.6.2 to create the image.

Followed the directions here for rest of install:
https://wiki.seeedstudio.com/ReSpeaker_2_Mics_Pi_HAT_Raspberry/

Wiped and re-imaged SD card twice, following same instructions. Reseated ReSpeaker 2-Mics Pi HAT twice. I see the error “failed to load overlay I2S-mmap”, but from other posts, that should be ok with this version of the OS.

I have a dump of dmesg and lsmod, but can’t see how to attach it here…

2

Try this, launch the imager then select
Chose OS > Raspberry Pi OS (other) > Raspberry Pi OS (Legacy)
That will get you Buster instead of Bullseye. Bullseye has some issues it seems.
Buster should run on a Zero 2W. Post back if it doesn’t.

3

Thanks so much! I did that and the results are slightly different, but still don’t look like what I should see in the Wiki article:
pi@raspberrypi:~ $ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: b1 [bcm2835 HDMI 1], device 0: bcm2835 HDMI 1 [bcm2835 HDMI 1]
Subdevices: 8/8
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
Subdevice #2: subdevice #2
Subdevice #3: subdevice #3
Subdevice #4: subdevice #4
Subdevice #5: subdevice #5
Subdevice #6: subdevice #6
Subdevice #7: subdevice #7
pi@raspberrypi:~ $ arecord -l
**** List of CAPTURE Hardware Devices ****
pi@raspberrypi:~ $

4

Ok, thanks for giving that a try. Hard to tell if helps or not though?
I don’t have one of those Hats to test with. And my Linux skills are also a bit lacking so you’ll have to wait for somebody else to chime in.
Another option is this forum,
Latest Products & Technology/ReSpeaker topics - Seeed Forum (seeedstudio.com)