# Identify internal input devices.
SUBSYSTEM=="input", ENV{ID_INPUT_KEYBOARD}=="1",    DRIVERS=="atkbd",        ENV{POWERD_ROLE}="internal_keyboard"
SUBSYSTEM=="input", ENV{ID_INPUT_KEYBOARD}=="1",    DRIVERS=="cros-ec-keyb", ENV{POWERD_ROLE}="internal_keyboard"
SUBSYSTEM=="input", ENV{ID_INPUT_TOUCHPAD}=="1",    SUBSYSTEMS=="i2c",       ENV{POWERD_ROLE}="internal_touchpad"
SUBSYSTEM=="input", ENV{ID_INPUT_TOUCHPAD}=="1",    SUBSYSTEMS=="serio",     ENV{POWERD_ROLE}="internal_touchpad"
SUBSYSTEM=="input", ENV{ID_INPUT_TOUCHSCREEN}=="1", SUBSYSTEMS=="i2c",       ENV{POWERD_ROLE}="internal_touchscreen"

# Udev does not make distinction between regular tablets and stylus devices
# complementing touchscreens, but if we see a "tablet" on an internal bus,
# it must be such stylus.
SUBSYSTEM=="input", ENV{ID_INPUT_TABLET}=="1",      SUBSYSTEMS=="i2c",       ENV{POWERD_ROLE}="internal_stylus"

SUBSYSTEM=="input", SUBSYSTEMS=="usb", DRIVERS=="usbhid", ENV{POWERD_ROLE}="external_input"
SUBSYSTEM=="input", SUBSYSTEMS=="usb", DRIVERS=="btusb",  ENV{POWERD_ROLE}="external_input"