pwm_state
struct pwm_state state;
pwm_get_relative_duty_cycle(const struct pwm_state *state, unsigned int scale)
pwm_set_relative_duty_cycle(struct pwm_state *state, unsigned int duty_cycle,
pwm_get_state(const struct pwm_device *pwm, struct pwm_state *state)
pwm_apply_state(struct pwm_device *pwm, const struct pwm_state *state)
pwm_apply_might_sleep(struct pwm_device *pwm, const struct pwm_state *state)
struct pwm_state state;
#define PWMGETSTATE _IOWR('G', 0, struct pwm_state)
#define PWMSETSTATE _IOWR('G', 1, struct pwm_state)
struct pwm_state state;