clamp_val
return clamp_val(val, 0, max);
abs_coeff = clamp_val(abs_coeff, 0, CTM_COEFF_4_0 - 1);
abs_coeff = clamp_val(abs_coeff, 0, CTM_COEFF_8_0 - 1);
(clamp_val(((coeff) >> (32 - (fbits) - 3)) + 4, 0, 0xfff) & 0xff8)
u32 abs_coeff = clamp_val(CTM_COEFF_ABS(user_coeff), 0,