318 	int err;  in si1133_cmd_reset_sw()  local
320 	err = regmap_write(data->regmap, SI1133_REG_COMMAND,  in si1133_cmd_reset_sw()
322 	if (err)  in si1133_cmd_reset_sw()
323 		return err;  in si1133_cmd_reset_sw()
327 		err = regmap_read(data->regmap, SI1133_REG_RESPONSE0, &resp);  in si1133_cmd_reset_sw()
328 		if (err == -ENXIO) {  in si1133_cmd_reset_sw()
343 	if (!err)  in si1133_cmd_reset_sw()
346 	return err;  in si1133_cmd_reset_sw()
377 	int err = regmap_write(data->regmap, SI1133_REG_COMMAND,  in si1133_cmd_reset_counter()  local
379 	if (err)  in si1133_cmd_reset_counter()
380 		return err;  in si1133_cmd_reset_counter()
391 	int err;  in si1133_command()  local
401 	err = regmap_write(data->regmap, SI1133_REG_COMMAND, cmd);  in si1133_command()
402 	if (err) {  in si1133_command()
404 			 err);  in si1133_command()
412 			err = -ETIMEDOUT;  in si1133_command()
415 		err = regmap_read(data->regmap, SI1133_REG_RESPONSE0, &resp);  in si1133_command()
416 		if (err)  in si1133_command()
419 		err = regmap_read_poll_timeout(data->regmap,  in si1133_command()
426 		if (err) {  in si1133_command()
429 				 cmd, err);  in si1133_command()
435 		err = si1133_parse_response_err(dev, resp, cmd);  in si1133_command()
444 	return err;  in si1133_command()
449 	int err = regmap_write(data->regmap, SI1133_REG_HOSTIN0, value);  in si1133_param_set()  local
451 	if (err)  in si1133_param_set()
452 		return err;  in si1133_param_set()
460 	int err = si1133_command(data, SI1133_CMD_PARAM_QUERY |  in si1133_param_query()  local
462 	if (err)  in si1133_param_query()
463 		return err;  in si1133_param_query()
560 	int err;  in si1133_chan_set_adcconfig()  local
562 	err = si1133_param_set(data, SI1133_PARAM_REG_ADCCONFIG(adc),  in si1133_chan_set_adcconfig()
564 	if (err)  in si1133_chan_set_adcconfig()
565 		return err;  in si1133_chan_set_adcconfig()
576 	int err;  in si1133_update_adcconfig()  local
578 	err = si1133_param_query(data, SI1133_PARAM_REG_ADCCONFIG(adc),  in si1133_update_adcconfig()
580 	if (err)  in si1133_update_adcconfig()
581 		return err;  in si1133_update_adcconfig()
605 	int err;  in si1133_bulk_read()  local
607 	err = si1133_force_measurement(data);  in si1133_bulk_read()
608 	if (err)  in si1133_bulk_read()
609 		return err;  in si1133_bulk_read()
618 	int err;  in si1133_measure()  local
622 	err = si1133_set_adcmux(data, 0, chan->channel);  in si1133_measure()
623 	if (err)  in si1133_measure()
624 		return err;  in si1133_measure()
627 	err = si1133_set_chlist(data, BIT(0));  in si1133_measure()
628 	if (err)  in si1133_measure()
629 		return err;  in si1133_measure()
631 	err = si1133_bulk_read(data, SI1133_REG_HOSTOUT(0), sizeof(buffer),  in si1133_measure()
633 	if (err)  in si1133_measure()
634 		return err;  in si1133_measure()
638 	return err;  in si1133_measure()
646 	int err;  in si1133_threaded_irq_handler()  local
648 	err = regmap_read(data->regmap, SI1133_REG_IRQ_STATUS, &irq_status);  in si1133_threaded_irq_handler()
649 	if (err) {  in si1133_threaded_irq_handler()
678 	int err;  in si1133_chan_set_adcsens()  local
680 	err = si1133_param_set(data, SI1133_PARAM_REG_ADCSENS(adc), adc_sens);  in si1133_chan_set_adcsens()
681 	if (err)  in si1133_chan_set_adcsens()
682 		return err;  in si1133_chan_set_adcsens()
692 	int err;  in si1133_update_adcsens()  local
695 	err = si1133_param_query(data, SI1133_PARAM_REG_ADCSENS(0),  in si1133_update_adcsens()
697 	if (err)  in si1133_update_adcsens()
698 		return err;  in si1133_update_adcsens()
708 	int err;  in si1133_get_lux()  local
716 	err = si1133_set_chlist(data, SI1133_LUX_ADC_MASK);  in si1133_get_lux()
717 	if (err)  in si1133_get_lux()
718 		return err;  in si1133_get_lux()
720 	err = si1133_bulk_read(data, SI1133_REG_HOSTOUT(0),  in si1133_get_lux()
722 	if (err)  in si1133_get_lux()
723 		return err;  in si1133_get_lux()
744 	return err;  in si1133_get_lux()
753 	int err;  in si1133_read_raw()  local
759 			err = si1133_get_lux(data, val);  in si1133_read_raw()
760 			if (err)  in si1133_read_raw()
761 				return err;  in si1133_read_raw()
771 			err = si1133_measure(data, chan, val);  in si1133_read_raw()
772 			if (err)  in si1133_read_raw()
773 				return err;  in si1133_read_raw()
889 	int err;  in si1133_init_lux_channels()  local
891 	err = si1133_chan_set_adcconfig(data, 1,  in si1133_init_lux_channels()
894 	if (err)  in si1133_init_lux_channels()
895 		return err;  in si1133_init_lux_channels()
897 	err = si1133_param_set(data, SI1133_PARAM_REG_ADCPOST(1),  in si1133_init_lux_channels()
900 	if (err)  in si1133_init_lux_channels()
901 		return err;  in si1133_init_lux_channels()
902 	err = si1133_chan_set_adcsens(data, 1, SI1133_ADCSENS_HSIG_MASK |  in si1133_init_lux_channels()
904 	if (err)  in si1133_init_lux_channels()
905 		return err;  in si1133_init_lux_channels()
907 	err = si1133_chan_set_adcconfig(data, 2,  in si1133_init_lux_channels()
910 	if (err)  in si1133_init_lux_channels()
911 		return err;  in si1133_init_lux_channels()
913 	err = si1133_param_set(data, SI1133_PARAM_REG_ADCPOST(2),  in si1133_init_lux_channels()
916 	if (err)  in si1133_init_lux_channels()
917 		return err;  in si1133_init_lux_channels()
919 	err = si1133_chan_set_adcsens(data, 2, SI1133_ADCSENS_HSIG_MASK |  in si1133_init_lux_channels()
921 	if (err)  in si1133_init_lux_channels()
922 		return err;  in si1133_init_lux_channels()
924 	err = si1133_chan_set_adcconfig(data, 3,  in si1133_init_lux_channels()
927 	if (err)  in si1133_init_lux_channels()
928 		return err;  in si1133_init_lux_channels()
930 	err = si1133_param_set(data, SI1133_PARAM_REG_ADCPOST(3),  in si1133_init_lux_channels()
933 	if (err)  in si1133_init_lux_channels()
934 		return err;  in si1133_init_lux_channels()
942 	int err;  in si1133_initialize()  local
944 	err = si1133_cmd_reset_sw(data);  in si1133_initialize()
945 	if (err)  in si1133_initialize()
946 		return err;  in si1133_initialize()
949 	err = si1133_param_set(data, SI1133_REG_MEAS_RATE, 0);  in si1133_initialize()
950 	if (err)  in si1133_initialize()
951 		return err;  in si1133_initialize()
953 	err = si1133_init_lux_channels(data);  in si1133_initialize()
954 	if (err)  in si1133_initialize()
955 		return err;  in si1133_initialize()
966 	int err;  in si1133_validate_ids()  local
968 	err = regmap_read(data->regmap, SI1133_REG_PART_ID, &part_id);  in si1133_validate_ids()
969 	if (err)  in si1133_validate_ids()
970 		return err;  in si1133_validate_ids()
972 	err = regmap_read(data->regmap, SI1133_REG_REV_ID, &rev_id);  in si1133_validate_ids()
973 	if (err)  in si1133_validate_ids()
974 		return err;  in si1133_validate_ids()
976 	err = regmap_read(data->regmap, SI1133_REG_MFR_ID, &mfr_id);  in si1133_validate_ids()
977 	if (err)  in si1133_validate_ids()
978 		return err;  in si1133_validate_ids()
998 	int err;  in si1133_probe()  local
1010 		err = PTR_ERR(data->regmap);  in si1133_probe()
1011 		dev_err(&client->dev, "Failed to initialise regmap: %d\n", err);  in si1133_probe()
1012 		return err;  in si1133_probe()
1026 	err = si1133_validate_ids(iio_dev);  in si1133_probe()
1027 	if (err)  in si1133_probe()
1028 		return err;  in si1133_probe()
1030 	err = si1133_initialize(data);  in si1133_probe()
1031 	if (err) {  in si1133_probe()
1033 			"Error when initializing chip: %d\n", err);  in si1133_probe()
1034 		return err;  in si1133_probe()
1043 	err = devm_request_threaded_irq(&client->dev, client->irq,  in si1133_probe()
1048 	if (err) {  in si1133_probe()
1050 			 client->irq, err);  in si1133_probe()
1051 		return err;  in si1133_probe()