Enables the camera four times

I used the official nano development kit.

The csi interface should be 7 and 8.
But now there is a problem.

More details:
** uname -a **
Linux fsi-desktop 4.9.253-tegra #1 SMP PREEMPT Mon Jul 26 12:13:06 PDT 2021 aarch64 aarch64 aarch64 GNU/Linux

** cat /etc/os-release **
VERSION=“18.04.5 LTS (Bionic Beaver)”
PRETTY_NAME=“Ubuntu 18.04.5 LTS”

** cat /etc/nv_tegra_release **
R32 (release), REVISION: 6.1, GCID: 27863751, BOARD: t210ref, EABI: aarch64, DATE: Mon Jul 26 19:20:30 UTC 2021

hello edward18,

may I know what’s camera module you’re using?
that’s not actual 4-times to enable same camera, it’s looking for imx219 at four different i2c buses but all return with probing failure.


It’s arducam’s imx219.
Under normal circumstances, shouldn’t the nano read the 7 and 8 interfaces?

hello edward18,

as you can see, there’s cam_i2cmux which used to share the same i2c address for different cameras.
if you’re using multiple cameras, please check you’ve enable i2c mux also.


I understand what you mean, but the i2c mux is already equipped in the official imx219 configuration and I didn’t make changes.

hello edward18,

camera vendor should also share source package, or release image for validation.
could you please also contact with them for confirmation. thanks

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