iio/dac/ad5758.c

199 	int ret;
206 	ret = spi_sync_transfer(st->spi, t, ARRAY_SIZE(t));
207 	if (ret < 0)
208 		return ret;
263 	int ret;
267 		ret = ad5758_spi_reg_read(st, reg);
268 		if (ret < 0)
269 			return ret;
271 		if (!(ret & mask))
285 	int ret;
287 	ret = ad5758_spi_reg_write(st, AD5758_KEY,
289 	if (ret < 0) {
292 		return ret;
302 	int ret;
304 	ret = ad5758_spi_reg_write(st, AD5758_KEY, AD5758_KEY_CODE_RESET_1);
305 	if (ret < 0)
306 		return ret;
308 	ret = ad5758_spi_reg_write(st, AD5758_KEY, AD5758_KEY_CODE_RESET_2);
313 	return ret;
319 	int ret;
326 		ret  = ad5758_spi_write_mask(st, AD5758_ADC_CONFIG,
329 		if (ret < 0)
330 			return ret;
333 	ret = ad5758_spi_write_mask(st, AD5758_DCDC_CONFIG1,
336 	if (ret < 0)
337 		return ret;
343 	ret = ad5758_wait_for_task_complete(st, AD5758_DCDC_CONFIG2,
345 	if (ret < 0)
346 		return ret;
350 	return ret;
355 	int ret;
357 	ret = ad5758_spi_write_mask(st, AD5758_DCDC_CONFIG2,
360 	if (ret < 0)
361 		return ret;
376 	int ret;
385 	ret = ad5758_spi_write_mask(st, AD5758_DAC_CONFIG, mask, mode);
386 	if (ret < 0)
387 		return ret;
449 	int ret;
451 	ret = ad5758_spi_write_mask(st, AD5758_DAC_CONFIG,
454 	if (ret < 0)
455 		return ret;
464 	int ret;
466 	ret = ad5758_spi_write_mask(st, AD5758_DAC_CONFIG,
469 	if (ret < 0)
470 		return ret;
498 	int ret;
502 		ret = ad5758_spi_reg_read(st, reg);
503 		if (ret < 0) {
505 			return ret;
508 		*readval = ret;
509 		ret = 0;
511 		ret = ad5758_spi_reg_write(st, reg, writeval);
515 	return ret;
523 	int max, min, ret;
528 		ret = ad5758_spi_reg_read(st, AD5758_DAC_INPUT);
530 		if (ret < 0)
531 			return ret;
533 		*val = ret;
556 	int ret;
561 		ret = ad5758_spi_reg_write(st, AD5758_DAC_INPUT, val);
563 		return ret;
588 	int ret;
590 	ret = kstrtobool(buf, &pwr_down);
591 	if (ret)
592 		return ret;
605 	ret = ad5758_spi_write_mask(st, AD5758_DAC_CONFIG,
608 	if (ret < 0)
616 	return ret ? ret : len;
699 	int *index, ret;
702 	ret = device_property_read_u32(&st->spi->dev,
704 	if (ret) {
717 	ret = device_property_read_u32(&st->spi->dev, "adi,dc-dc-mode",
719 	if (ret) {
721 		return ret;
728 		ret = device_property_read_u32_array(&st->spi->dev,
731 		if (ret) {
734 			return ret;
739 		ret = device_property_read_u32_array(&st->spi->dev,
742 		if (ret) {
745 			return ret;
751 	ret = ad5758_find_out_range(st, range, size, tmparray[0], tmparray[1]);
752 	if (ret) {
754 		return ret;
757 	ret = device_property_read_u32(&st->spi->dev, "adi,slew-time-us", &tmp);
758 	if (ret) {
770 	int regval, ret;
778 	ret = ad5758_crc_disable(st);
779 	if (ret < 0)
780 		return ret;
783 	ret = ad5758_reset(st);
784 	if (ret < 0)
785 		return ret;
788 	ret = ad5758_crc_disable(st);
789 	if (ret < 0)
790 		return ret;
793 	ret = ad5758_calib_mem_refresh(st);
794 	if (ret < 0)
795 		return ret;
802 	ret = ad5758_spi_reg_write(st, AD5758_DIGITAL_DIAG_RESULTS, regval);
803 	if (ret < 0)
804 		return ret;
807 	ret = ad5758_set_dc_dc_ilim(st, st->dc_dc_ilim);
808 	if (ret < 0)
809 		return ret;
812 	ret = ad5758_set_dc_dc_conv_mode(st, st->dc_dc_mode);
813 	if (ret < 0)
814 		return ret;
817 	ret = ad5758_set_out_range(st, st->out_range.reg);
818 	if (ret < 0)
819 		return ret;
823 		ret = ad5758_slew_rate_config(st);
824 		if (ret < 0)
825 			return ret;
829 	ret = ad5758_internal_buffers_en(st, 1);
830 	if (ret < 0)
831 		return ret;
843 	int ret;
861 	ret = ad5758_parse_dt(st);
862 	if (ret < 0)
863 		return ret;
870 	ret = ad5758_init(st);
871 	if (ret < 0) {
873 		return ret;