rt2x00_get_field8
freq_offset = rt2x00_get_field8(rt2x00dev->freq_offset, RFCSR17_CODE);
prev_freq_offset = rt2x00_get_field8(prev_rfcsr, RFCSR17_CODE);
txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw40,
txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw40,
txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw20,
txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw20,
txpower = rt2x00_get_field8(txpower, EEPROM_TXPOWER_ALC);
tx_gain = rt2x00_get_field8(drv_data->txmixer_gain_24g,