get_time_window_us
.get_time_window_us = scmi_powercap_get_time_window_us,
.get_time_window_us = get_time_window_us,
.get_time_window_us = get_time_window,
!const_ops->get_time_window_us ||
int (*get_time_window_us) (struct powercap_zone *, int, u64 *);