C779-Software: Difference between revisions
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dtoverlay=tc358743-audio | dtoverlay=tc358743-audio | ||
please append the | please append the following setting if (and only if) you have a device such as the Auvidea B102 that supports the 22pin connector with all 4 lanes wired out(such as [[X1300]]), and are using a Compute Module with the CAM1 connector that also has all 4 lanes wired up, you can use | ||
dtoverlay=tc358743,4lane=1 | dtoverlay=tc358743,4lane=1 | ||
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pi@raspberrypi:~ $ dmesg | grep cma | pi@raspberrypi:~ $ dmesg | grep cma | ||
[ 0.000000] cma: Reserved 256 MiB at 0x000000001ec00000 | [ 0.000000] cma: Reserved 256 MiB at 0x000000001ec00000 | ||
If it reports less than 96MB assigned to CMA, then edit /boot/cmdline.txt and add | If it reports less than 96MB assigned to CMA, then '''''edit /boot/cmdline'''''.txt and add | ||
cma=96M | cma=96M | ||
to the start of the line. Do NOT add any carriage returns. | to the start of the line. Do NOT add any carriage returns. | ||