400 	int ret;  in nt35510_send_long()  local
404 	ret = mipi_dsi_dcs_write(dsi, cmd, seqp, chunk);  in nt35510_send_long()
405 	if (ret < 0) {  in nt35510_send_long()
407 		return ret;  in nt35510_send_long()
416 		ret = mipi_dsi_generic_write(dsi, seqp, chunk);  in nt35510_send_long()
417 		if (ret < 0) {  in nt35510_send_long()
419 			return ret;  in nt35510_send_long()
432 	int ret;  in nt35510_read_id()  local
434 	ret = mipi_dsi_dcs_read(dsi, MCS_CMD_READ_ID1, &id1, 1);  in nt35510_read_id()
435 	if (ret < 0) {  in nt35510_read_id()
437 		return ret;  in nt35510_read_id()
439 	ret = mipi_dsi_dcs_read(dsi, MCS_CMD_READ_ID2, &id2, 1);  in nt35510_read_id()
440 	if (ret < 0) {  in nt35510_read_id()
442 		return ret;  in nt35510_read_id()
444 	ret = mipi_dsi_dcs_read(dsi, MCS_CMD_READ_ID3, &id3, 1);  in nt35510_read_id()
445 	if (ret < 0) {  in nt35510_read_id()
447 		return ret;  in nt35510_read_id()
467 	int ret;  in nt35510_setup_power()  local
469 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETAVDD,  in nt35510_setup_power()
472 	if (ret)  in nt35510_setup_power()
473 		return ret;  in nt35510_setup_power()
474 	ret = nt35510_send_long(nt, dsi, NT35510_P1_BT1CTR,  in nt35510_setup_power()
477 	if (ret)  in nt35510_setup_power()
478 		return ret;  in nt35510_setup_power()
479 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETAVEE,  in nt35510_setup_power()
482 	if (ret)  in nt35510_setup_power()
483 		return ret;  in nt35510_setup_power()
484 	ret = nt35510_send_long(nt, dsi, NT35510_P1_BT2CTR,  in nt35510_setup_power()
487 	if (ret)  in nt35510_setup_power()
488 		return ret;  in nt35510_setup_power()
489 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVGH,  in nt35510_setup_power()
492 	if (ret)  in nt35510_setup_power()
493 		return ret;  in nt35510_setup_power()
494 	ret = nt35510_send_long(nt, dsi, NT35510_P1_BT4CTR,  in nt35510_setup_power()
497 	if (ret)  in nt35510_setup_power()
498 		return ret;  in nt35510_setup_power()
499 	ret = nt35510_send_long(nt, dsi, NT35510_P1_VGHCTR,  in nt35510_setup_power()
502 	if (ret)  in nt35510_setup_power()
503 		return ret;  in nt35510_setup_power()
504 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVGL,  in nt35510_setup_power()
507 	if (ret)  in nt35510_setup_power()
508 		return ret;  in nt35510_setup_power()
509 	ret = nt35510_send_long(nt, dsi, NT35510_P1_BT5CTR,  in nt35510_setup_power()
512 	if (ret)  in nt35510_setup_power()
513 		return ret;  in nt35510_setup_power()
514 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVGP,  in nt35510_setup_power()
517 	if (ret)  in nt35510_setup_power()
518 		return ret;  in nt35510_setup_power()
519 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVGN,  in nt35510_setup_power()
522 	if (ret)  in nt35510_setup_power()
523 		return ret;  in nt35510_setup_power()
545 	int ret;  in nt35510_setup_display()  local
551 	ret = nt35510_send_long(nt, dsi, NT35510_P0_DOPCTR,  in nt35510_setup_display()
554 	if (ret)  in nt35510_setup_display()
555 		return ret;  in nt35510_setup_display()
557 	ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_ADDRESS_MODE, &addr_mode,  in nt35510_setup_display()
559 	if (ret < 0)  in nt35510_setup_display()
560 		return ret;  in nt35510_setup_display()
568 	ret = mipi_dsi_dcs_write(dsi, NT35510_P0_SDHDTCTR, &val,  in nt35510_setup_display()
570 	if (ret < 0)  in nt35510_setup_display()
571 		return ret;  in nt35510_setup_display()
576 	ret = nt35510_send_long(nt, dsi, NT35510_P0_GSEQCTR,  in nt35510_setup_display()
579 	if (ret)  in nt35510_setup_display()
580 		return ret;  in nt35510_setup_display()
582 	ret = nt35510_send_long(nt, dsi, NT35510_P0_SDEQCTR,  in nt35510_setup_display()
585 	if (ret)  in nt35510_setup_display()
586 		return ret;  in nt35510_setup_display()
588 	ret = mipi_dsi_dcs_write(dsi, NT35510_P0_SDVPCTR,  in nt35510_setup_display()
590 	if (ret < 0)  in nt35510_setup_display()
591 		return ret;  in nt35510_setup_display()
616 	ret = nt35510_send_long(nt, dsi, NT35510_P0_DPFRCTR1,  in nt35510_setup_display()
619 	if (ret)  in nt35510_setup_display()
620 		return ret;  in nt35510_setup_display()
623 	ret = nt35510_send_long(nt, dsi, NT35510_P0_DPFRCTR2,  in nt35510_setup_display()
626 	if (ret)  in nt35510_setup_display()
627 		return ret;  in nt35510_setup_display()
628 	ret = nt35510_send_long(nt, dsi, NT35510_P0_DPFRCTR3,  in nt35510_setup_display()
631 	if (ret)  in nt35510_setup_display()
632 		return ret;  in nt35510_setup_display()
635 	ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);  in nt35510_setup_display()
636 	if (ret)  in nt35510_setup_display()
637 		return ret;  in nt35510_setup_display()
640 	ret = nt35510_send_long(nt, dsi, NT35510_P0_DPMCTR12,  in nt35510_setup_display()
643 	if (ret)  in nt35510_setup_display()
644 		return ret;  in nt35510_setup_display()
654 	int ret;  in nt35510_set_brightness()  local
657 	ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_DISPLAY_BRIGHTNESS,  in nt35510_set_brightness()
660 	if (ret < 0)  in nt35510_set_brightness()
661 		return ret;  in nt35510_set_brightness()
676 	int ret;  in nt35510_power_on()  local
678 	ret = regulator_bulk_enable(ARRAY_SIZE(nt->supplies), nt->supplies);  in nt35510_power_on()
679 	if (ret < 0) {  in nt35510_power_on()
681 		return ret;  in nt35510_power_on()
697 	ret = nt35510_send_long(nt, dsi, MCS_CMD_MTP_READ_PARAM,  in nt35510_power_on()
700 	if (ret)  in nt35510_power_on()
701 		return ret;  in nt35510_power_on()
703 	ret = nt35510_send_long(nt, dsi, MCS_CMD_MTP_READ_SETTING,  in nt35510_power_on()
706 	if (ret)  in nt35510_power_on()
707 		return ret;  in nt35510_power_on()
712 	ret = nt35510_send_long(nt, dsi, MCS_CMD_MAUCCTR,  in nt35510_power_on()
715 	if (ret)  in nt35510_power_on()
716 		return ret;  in nt35510_power_on()
718 	ret = nt35510_setup_power(nt);  in nt35510_power_on()
719 	if (ret)  in nt35510_power_on()
720 		return ret;  in nt35510_power_on()
722 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_RED_POS,  in nt35510_power_on()
725 	if (ret)  in nt35510_power_on()
726 		return ret;  in nt35510_power_on()
727 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_GREEN_POS,  in nt35510_power_on()
730 	if (ret)  in nt35510_power_on()
731 		return ret;  in nt35510_power_on()
732 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_BLUE_POS,  in nt35510_power_on()
735 	if (ret)  in nt35510_power_on()
736 		return ret;  in nt35510_power_on()
737 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_RED_NEG,  in nt35510_power_on()
740 	if (ret)  in nt35510_power_on()
741 		return ret;  in nt35510_power_on()
742 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_GREEN_NEG,  in nt35510_power_on()
745 	if (ret)  in nt35510_power_on()
746 		return ret;  in nt35510_power_on()
747 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_BLUE_NEG,  in nt35510_power_on()
750 	if (ret)  in nt35510_power_on()
751 		return ret;  in nt35510_power_on()
754 	ret = nt35510_send_long(nt, dsi, MCS_CMD_MAUCCTR,  in nt35510_power_on()
757 	if (ret)  in nt35510_power_on()
758 		return ret;  in nt35510_power_on()
760 	ret = nt35510_setup_display(nt);  in nt35510_power_on()
761 	if (ret)  in nt35510_power_on()
762 		return ret;  in nt35510_power_on()
769 	int ret;  in nt35510_power_off()  local
771 	ret = regulator_bulk_disable(ARRAY_SIZE(nt->supplies), nt->supplies);  in nt35510_power_off()
772 	if (ret)  in nt35510_power_off()
773 		return ret;  in nt35510_power_off()
785 	int ret;  in nt35510_unprepare()  local
787 	ret = mipi_dsi_dcs_set_display_off(dsi);  in nt35510_unprepare()
788 	if (ret) {  in nt35510_unprepare()
789 		dev_err(nt->dev, "failed to turn display off (%d)\n", ret);  in nt35510_unprepare()
790 		return ret;  in nt35510_unprepare()
795 	ret = mipi_dsi_dcs_enter_sleep_mode(dsi);  in nt35510_unprepare()
796 	if (ret) {  in nt35510_unprepare()
797 		dev_err(nt->dev, "failed to enter sleep mode (%d)\n", ret);  in nt35510_unprepare()
798 		return ret;  in nt35510_unprepare()
804 	ret = nt35510_power_off(nt);  in nt35510_unprepare()
805 	if (ret)  in nt35510_unprepare()
806 		return ret;  in nt35510_unprepare()
815 	int ret;  in nt35510_prepare()  local
817 	ret = nt35510_power_on(nt);  in nt35510_prepare()
818 	if (ret)  in nt35510_prepare()
819 		return ret;  in nt35510_prepare()
822 	ret = mipi_dsi_dcs_exit_sleep_mode(dsi);  in nt35510_prepare()
823 	if (ret) {  in nt35510_prepare()
824 		dev_err(nt->dev, "failed to exit sleep mode (%d)\n", ret);  in nt35510_prepare()
825 		return ret;  in nt35510_prepare()
830 	ret = mipi_dsi_dcs_set_display_on(dsi);  in nt35510_prepare()
831 	if (ret) {  in nt35510_prepare()
832 		dev_err(nt->dev, "failed to turn display on (%d)\n", ret);  in nt35510_prepare()
833 		return ret;  in nt35510_prepare()
876 	int ret;  in nt35510_probe()  local
913 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(nt->supplies),  in nt35510_probe()
915 	if (ret < 0)  in nt35510_probe()
916 		return ret;  in nt35510_probe()
917 	ret = regulator_set_voltage(nt->supplies[0].consumer,  in nt35510_probe()
919 	if (ret)  in nt35510_probe()
920 		return ret;  in nt35510_probe()
921 	ret = regulator_set_voltage(nt->supplies[1].consumer,  in nt35510_probe()
923 	if (ret)  in nt35510_probe()
924 		return ret;  in nt35510_probe()
940 	ret = drm_panel_of_backlight(&nt->panel);  in nt35510_probe()
941 	if (ret) {  in nt35510_probe()
942 		dev_err(dev, "error getting external backlight %d\n", ret);  in nt35510_probe()
943 		return ret;  in nt35510_probe()
962 	ret = mipi_dsi_attach(dsi);  in nt35510_probe()
963 	if (ret < 0)  in nt35510_probe()
972 	int ret;  in nt35510_remove()  local
976 	ret = nt35510_power_off(nt);  in nt35510_remove()
977 	if (ret)  in nt35510_remove()