Hi gvolt! i just want to tell you that 4 inch is working now using this tut Miuzei 4 inch IPS Touch Screen LCD Display , however, the touch function not working. and the mouse pointer is at the middle of display and i run these command.
cat /dev/input/event*
nothing happens
while,
volumio@volumio:~$ udevadm info -q all -n /dev/input/event*
P: /devices/platform/soc/3f204000.spi/spi_master/spi0/spi0.1/input/input0/event0
N: input/event0
L: 0
S: input/by-path/platform-3f204000.spi-event
E: DEVPATH=/devices/platform/soc/3f204000.spi/spi_master/spi0/spi0.1/input/input0/event0
E: DEVNAME=/dev/input/event0
E: MAJOR=13
E: MINOR=64
E: SUBSYSTEM=input
E: USEC_INITIALIZED=23482598
E: ID_INPUT=1
E: ID_INPUT_TOUCHSCREEN=1
E: ID_PATH=platform-3f204000.spi
E: ID_PATH_TAG=platform-3f204000_spi
E: LIBINPUT_DEVICE_GROUP=1c/0/1ea6:spi0
E: DEVLINKS=/dev/input/by-path/platform-3f204000.spi-event
And i did this also,
sudo apt-get -y install xserver-xorg-input-evdev
After that execute
sudo cp /usr/share/X11/xorg.conf.d/10-evdev.conf /usr/share/X11/xorg.conf.d/45-evdev.conf
and reboot.
Touch not working.
Regards,