GPIOHANDLE_REQUEST_OPEN_DRAIN
if ((flags & GPIOHANDLE_REQUEST_OPEN_DRAIN) &&
((flags & GPIOHANDLE_REQUEST_OPEN_DRAIN) ||
lflags & GPIOHANDLE_REQUEST_OPEN_DRAIN);
(lflags & GPIOHANDLE_REQUEST_OPEN_DRAIN) ||
GPIOHANDLE_REQUEST_OPEN_DRAIN | \