440 	u8				iso_ctrl;  member
827 	u8 status, fifo_bytes, iso_ctrl;  in trf7970a_irq()  local
907 			iso_ctrl = trf->iso_ctrl;  in trf7970a_irq()
912 				iso_ctrl |= TRF7970A_ISO_CTRL_RX_CRC_N;  in trf7970a_irq()
913 				trf->iso_ctrl = 0xff; /* Force ISO_CTRL write */  in trf7970a_irq()
917 				iso_ctrl &= ~TRF7970A_ISO_CTRL_RX_CRC_N;  in trf7970a_irq()
918 				trf->iso_ctrl = 0xff; /* Force ISO_CTRL write */  in trf7970a_irq()
934 			if (iso_ctrl != trf->iso_ctrl) {  in trf7970a_irq()
936 						     iso_ctrl);  in trf7970a_irq()
940 				trf->iso_ctrl = iso_ctrl;  in trf7970a_irq()
1074 	trf->iso_ctrl = 0xff;  in trf7970a_init()
1226 	if (trf->iso_ctrl == 0xff)  in trf7970a_in_config_rf_tech()
1268 	u8 iso_ctrl = trf->iso_ctrl_tech;  in trf7970a_in_config_framing()  local
1278 		iso_ctrl |= TRF7970A_ISO_CTRL_RX_CRC_N;  in trf7970a_in_config_framing()
1291 		iso_ctrl &= ~TRF7970A_ISO_CTRL_RX_CRC_N;  in trf7970a_in_config_framing()
1295 		iso_ctrl |= TRF7970A_ISO_CTRL_RX_CRC_N;  in trf7970a_in_config_framing()
1313 	if (iso_ctrl != trf->iso_ctrl) {  in trf7970a_in_config_framing()
1314 		ret = trf7970a_write(trf, TRF7970A_ISO_CTRL, iso_ctrl);  in trf7970a_in_config_framing()
1318 		trf->iso_ctrl = iso_ctrl;  in trf7970a_in_config_framing()
1397 	u8 special_fcn_reg1, iso_ctrl;  in trf7970a_per_cmd_config()  local
1427 		iso_ctrl = trf->iso_ctrl & ~TRF7970A_ISO_CTRL_RFID_SPEED_MASK;  in trf7970a_per_cmd_config()
1431 			iso_ctrl |= TRF7970A_ISO_CTRL_15693_SGL_1OF4_662;  in trf7970a_per_cmd_config()
1434 			iso_ctrl |= TRF7970A_ISO_CTRL_15693_DBL_1OF4_667a;  in trf7970a_per_cmd_config()
1437 			iso_ctrl |= TRF7970A_ISO_CTRL_15693_SGL_1OF4_2648;  in trf7970a_per_cmd_config()
1441 			iso_ctrl |= TRF7970A_ISO_CTRL_15693_DBL_1OF4_2669;  in trf7970a_per_cmd_config()
1445 		if (iso_ctrl != trf->iso_ctrl) {  in trf7970a_per_cmd_config()
1446 			ret = trf7970a_write(trf, TRF7970A_ISO_CTRL, iso_ctrl);  in trf7970a_per_cmd_config()
1450 			trf->iso_ctrl = iso_ctrl;  in trf7970a_per_cmd_config()
1609 	    (trf->iso_ctrl_tech != trf->iso_ctrl)) {  in trf7970a_tg_config_rf_tech()
1613 		trf->iso_ctrl = trf->iso_ctrl_tech;  in trf7970a_tg_config_rf_tech()
1627 	u8 iso_ctrl = trf->iso_ctrl_tech;  in trf7970a_tg_config_framing()  local
1635 		iso_ctrl |= TRF7970A_ISO_CTRL_RX_CRC_N;  in trf7970a_tg_config_framing()
1641 		iso_ctrl = trf->iso_ctrl; /* Don't write to ISO_CTRL yet */  in trf7970a_tg_config_framing()
1645 		iso_ctrl &= ~TRF7970A_ISO_CTRL_RX_CRC_N;  in trf7970a_tg_config_framing()
1649 		iso_ctrl &= ~TRF7970A_ISO_CTRL_RX_CRC_N;  in trf7970a_tg_config_framing()
1658 	if (iso_ctrl != trf->iso_ctrl) {  in trf7970a_tg_config_framing()
1659 		ret = trf7970a_write(trf, TRF7970A_ISO_CTRL, iso_ctrl);  in trf7970a_tg_config_framing()
1663 		trf->iso_ctrl = iso_ctrl;  in trf7970a_tg_config_framing()