}
static int sun4i_pwm_calculate(struct sun4i_pwm_chip *sun4i_pwm,
- struct pwm_state *state,
+ const struct pwm_state *state,
u32 *dty, u32 *prd, unsigned int *prsclr)
{
u64 clk_rate, div = 0;
*dty = div;
*prsclr = prescaler;
- div = (u64)pval * NSEC_PER_SEC * *prd;
- state->period = DIV_ROUND_CLOSEST_ULL(div, clk_rate);
-
- div = (u64)pval * NSEC_PER_SEC * *dty;
- state->duty_cycle = DIV_ROUND_CLOSEST_ULL(div, clk_rate);
-
return 0;
}
static int sun4i_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
- struct pwm_state *state)
+ const struct pwm_state *state)
{
struct sun4i_pwm_chip *sun4i_pwm = to_sun4i_pwm_chip(chip);
struct pwm_state cstate;