iwk_tx_power_calibration
err = iwk_tx_power_calibration(sc);
static int iwk_tx_power_calibration(iwk_sc_t *sc);
err = iwk_tx_power_calibration(sc);
err = iwk_tx_power_calibration(sc);
(void) iwk_tx_power_calibration(sc);
err = iwk_tx_power_calibration(sc);