stk3310_set_state
ret = stk3310_set_state(data, state);
stk3310_set_state(data, STK3310_STATE_STANDBY);
stk3310_set_state(iio_priv(indio_dev), STK3310_STATE_STANDBY);
return stk3310_set_state(data, STK3310_STATE_STANDBY);
return stk3310_set_state(data, state);