Let me simplify my request, it should be easier.
Forget the touchscreen, let's focus on th epandaboard only.
By default, the user buttom is programmed in the kernel to KEY_HOME:
static struct gpio_keys_button panda_gpio_keys_buttons[] = {
[0] = {
.code = KEY_HOME,
.gpio = 113,
.desc = "user_button",
.active_low = 1,
.debounce_interval = 5,}
This is done in the kernel file arch/arm/mach-omap2/board-omap4panda.c
KEY_HOME indicates that when pressing the buttom, you directly go to the
Home page, and it can also switch on the screen if it was off.
Now I would like to modify it in order to have the same features than on
many phones: a buttom to control the screen state, switching from SCREEN ON
to SCREEN OFF.
I tried to change KEY_HOME to KEY_SCREEN or KEY_POWER, but no effect.
If someone has the solution, I would really appreciate !
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