pwm_get_state
error = pwm_get_state(sc->sc_pwm, &sc->sc_ps_saved);
if (pwm_get_state(sc->sc_pwm, &ps))
error = pwm_get_state(sc->sc_pwm, &sc->sc_ps_saved);
error = pwm_get_state(sc->sc_pwm, &ps);
if (pwm_get_state(sc->sc_pwm, &ps))
error = pwm_get_state(sc->sc_pwm, &ps);
int pwm_get_state(uint32_t *cells, struct pwm_state *ps);
pwm_get_state(panel->backlight.pwm, &panel->backlight.pwm_state);
pwm_get_state(panel->backlight.pwm, &state);