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Where did you get the camera module(s)?
Raspberry Pi official reseller -
Model number of the product(s)?
Arducam Multicam adapter 2.2 -
What hardware/platform were you working on?
Raspberry Pi 4 model B -
Instructions you have followed. (link/manual/etc.)
Quick Start Guide for Multi-Camera Adapter Board - Arducam Wiki
Added the following lines to the config.txt file:
Automatically load overlays for detected cameras
camera_auto_detect=0
dtoverlay=camera-mux-4port,cam0-imx219,cam2-imx219
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Problems you were having?
Libcamera complains that there are no cameras available -
The dmesg log from your hardware?
[ 8.167604] imx219 23-0010: Error reading reg 0x0000: -121
[ 8.167642] imx219 23-0010: failed to read chip id 219
[ 8.168970] imx219: probe of 23-0010 failed with error -121
[ 8.184638] imx219 25-0010: Error reading reg 0x0000: -121
[ 8.184674] imx219 25-0010: failed to read chip id 219
[ 8.185220] imx219: probe of 25-0010 failed with error -121 -
Troubleshooting attempts you’ve made?
Flashed from scratch Raspberry Pi OS (bookworm) -
What help do you need?
How can I make it work?