clamp_t
unsigned int max_bpc = clamp_t(unsigned int,
min = clamp_t(int, connector->panel.vbt.backlight.min_brightness, 0, 64);
ret = clamp_t(int, rxbuf[1], 0, msg->size);
clamp_t(u32,
new_freq = clamp_t(int, new_freq, min, max);
val = clamp_t(int, rps->cur_freq,
val = clamp_t(int, rps->cur_freq,
*val = clamp_t(u64, *val, min, max);
#define clamp(x, a, b) clamp_t(__typeof(x), x, a, b)
#define clamp_val(x, a, b) clamp_t(__typeof(x), x, a, b)