#unconditional
GPIOHANDLE_REQUEST_INPUT
GPIOHANDLE_REQUEST_OUTPUT
GPIOHANDLE_REQUEST_ACTIVE_LOW
GPIOHANDLE_REQUEST_OPEN_DRAIN
GPIOHANDLE_REQUEST_OPEN_SOURCE
GPIOHANDLE_REQUEST_BIAS_PULL_UP
GPIOHANDLE_REQUEST_BIAS_PULL_DOWN
GPIOHANDLE_REQUEST_BIAS_DISABLE