How to check for CSI lane on the MIPI driver source with debug message.

Autonomous Machines Jetson & Embedded Systems Jetson TX2
1

Hi All,

I wonder that how to check for CSI lane on the MIPI driver source with debug message.

For example, I want to know csi lane number connected with TX0 and TX1 port in the tc358840.c of hdmitocsi driver.

I saw the tc358840_log_status() function. but, I can’t check log message this status log.

Could you let me know your idea?

Thanks & BR,

2

hello nwlee,

you should be able to turn-on debug prints following below,
[1] [url]How to check v4l2_dbg message in the console - Jetson TX2 - NVIDIA Developer Forums
[2] [url]How to check v4l2_dbg message in the console - Jetson TX2 - NVIDIA Developer Forums

also,
you’re able to add your own debug prints and rebuild the kernel image to get more information.
please check [Release 28.1 Development Guide]-> [Kernel Customization]
thanks

3

Hello Jerry,

Would you let me know link for [Release 28.1 Development Guide] document?

Thanks & BR,

4

hello nwlee,

you’re able to access all the public documentation from Jetson Download Center,
[url]https://developer.nvidia.com/embedded/downloads[/url]

here’s link for the release 28.1 documentation.
[url]https://developer.nvidia.com/embedded/dlc/l4t-documentation-28-1[/url]

5

Hello Jerry,

I had read this document long time ago.

Anyway, I have found v4l2_info message with “dmesg”.

Thank you for your support.

Thanks & BR,