input_prop
struct input_prop props[INPUT_PROP_CNT];
parse_input_prop_property(const char *prop, struct input_prop *props_out, size_t *nprops)
struct input_prop props[INPUT_PROP_CNT]; /* doubling up on quirks is a bug */
bool parse_input_prop_property(const char *prop, struct input_prop *props_out, size_t *nprops);