1. Use udev's uaccess tag mechanism to permit unprivileged access to the
gpio_keys input device which reports EV_SW events such as SW_KEYPAD_SLIDE.
Thus the user can interact with the keypad slide switch under X11 without
needing to be in the input group. Do the same for the power button, even
though X11 can read it directly.
2. Drop acpid and related configurations. This removes the dependency on user
being in the input group.
3. Switch to the logind SetBrightness API to control the keyboard LEDs
without requiring elevated permissions. brightnessctl as packaged under
Alpine currently depends on the user being in the input group to control
LEDs.
4. Improve the keyboard backlighting so it is more even, by setting higher values
of brightness for the innermost keyboard backlight LEDs.
5. Simplify the touchscreen calibration rules and merge with the rules for
gpio_keys and power button.
Signed-off-By: Sicelo A. Mhlongo <absicsz@gmail.com>
Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/8748>
Sicelo A. Mhlongo
6d0ebc1731