AB8500_PWM_CLKRATE
state->period = DIV64_U64_ROUND_UP((u64)div << 10, AB8500_PWM_CLKRATE);
state->duty_cycle = DIV64_U64_ROUND_UP((u64)div * duty_steps, AB8500_PWM_CLKRATE);
AB8500_PWM_CLKRATE >> 10,
AB8500_PWM_CLKRATE,