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: If (and only if) you have a device such as the C790 that supports the 22pin connector with all 4 lanes wired out, and are using a Compute Module with the CAM1 connector that also has all 4 lanes wired up, you can use:
: <pre>dtoverlay=tc358743,4lane=1</pre>
:Check the amount of memory assigned to the CMA heap with “dmesg | grep cma”. The first line should be along the lines of:
: <pre>dmesg | grep cma</pre>
: <pre>[0.000000] cma: Reserved 256 MiB at 0x000000001ec00000</pre>
:If it reports less than '''96MB''' assigned to CMA, then edit /boot/cmdline.txt and add to the start of the line. Do NOT add any carriage returns.
:<pre>cma=96M</pre>
: Then reboot the raspberry Pi.
: <pre>sudo reboot>
2. Execute the following command to find the '''media node''' corresponding to the CSI as '''media0''', under the '''rp1-cfe (platform: 1f00128000.csi)''' field: