Ok, I will see what I can do. But I am currently on vacation and will have access to my Volumio system by the end of the week at the earliest.
Possibly you won’t need the info: I had a look at the tinker repo forked by Volumio and the ft5406 driver is at least in the sources (https://github.com/volumio/debian_kernel/tree/linux4.4-rk3288/drivers/input/touchscreen). I would try loading it with
sudo modprobe tinker_5406
and see what happens. If the module should not be present at all, fail to load or miss functionality (especially not sure about the backlight) you would probably have to compile it by yourself… or download the Tinker image from the link I posted above, extract the necessary files, copy them into your Volumio installation and hope they work there, too (no garanties: this may break your system! - so be prepared with a backup).
If you have success and can manually change brightness by executing e.g.
echo 200 > /path/to/brightness
which should set a brightness value of 200, I can adapt the plugin.
It is not necessary to be upset. Nothing reparable occurred in lack of .
Accepted correction
sudo modprobe tinker_ft5406
following action
modprobe -l
as a result
-bash: modprobe: comand not found
My concern increases with each loss of chance of a successful outcome.
I very much like Volumio.
The interface is pleasant, sounding of this OC is pleasant.
I put a lot of effort into the constructive approach of the device.
It will be very sad if good luck does not happen.
When conducting an experiment, trying is the important thing
I just tried and saw that “modprobe -l” is not valid (anymore). So in order to clear what modules for touchscreen and backlight are available on the Tinker system please have a look at the output of
ls -al /lib/modules/<kernel-version>/kernel/drivers/input/touchscreen
and
ls -al /lib/modules/<kernel-version>/kernel/drivers/video/backlight
and maybe also
ls -al /lib/modules/<kernel-version>/kernel/drivers/staging/fbtft
Note: You have to substitute with the result of
uname -r
The output should show various .ko files. On a Raspberry system the first command would - amongst others - list the touchscreen driver rpi-ft5406.ko and the second command the backlight driver rpi-backlight.ko - each for the original Raspberry 7" touchscreen.
Ok, then the module indeed appears to be loaded. There seems to be a problem with the Rockchip i2c driver, but I don’t really have a clue about the error messages. Maybe you can get some information on them at the tinkerboard forum?
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