iio/dac/ad3552r.c

374 	int err;
378 	err = ad3552r_transfer(dac, addr, reg_len, buf, true);
379 	if (err)
380 		return err;
449 	int err;
455 		err = ad3552r_read_reg(dac, AD3552R_REG_ADDR_CH_DAC_24B(ch),
458 		if (err < 0)
459 			return err;
464 		err = ad3552r_read_reg(dac, AD3552R_REG_ADDR_POWERDOWN_CONFIG,
467 		if (err < 0)
468 			return err;
492 	int err;
497 		err = ad3552r_write_reg(dac,
502 		err = ad3552r_set_ch_value(dac, AD3552R_CH_DAC_POWERDOWN,
506 		err = -EINVAL;
511 	return err;
530 	int err, len;
546 	err = ad3552r_transfer(dac, addr, len, buff, false);
547 	if (err)
548 		return err;
558 	int err;
572 	err = ad3552r_transfer(dac, addr, 3, data, false);
573 	if (err)
574 		return err;
590 	int err;
593 	err = iio_pop_from_buffer(buf, buff);
594 	if (err)
611 	int err;
613 	err = ad3552r_write_reg(dac, AD3552R_REG_ADDR_SCRATCH_PAD, val1);
614 	if (err < 0)
615 		return err;
617 	err = ad3552r_read_reg(dac, AD3552R_REG_ADDR_SCRATCH_PAD, &val);
618 	if (err < 0)
619 		return err;
624 	err = ad3552r_write_reg(dac, AD3552R_REG_ADDR_SCRATCH_PAD, val2);
625 	if (err < 0)
626 		return err;
628 	err = ad3552r_read_reg(dac, AD3552R_REG_ADDR_SCRATCH_PAD, &val);
629 	if (err < 0)
630 		return err;
645 	int err;
648 	err = ad3552r_read_reg(addr->dac, addr->addr, &val);
649 	if (err)
650 		return err;
805 	int err;
819 	err = fwnode_property_read_u32(gain_child, "adi,gain-scaling-p", &val);
820 	if (err)
821 		return dev_err_probe(dev, err,
826 	err = fwnode_property_read_u32(gain_child, "adi,gain-scaling-n", &val);
827 	if (err)
828 		return dev_err_probe(dev, err,
833 	err = fwnode_property_read_u32(gain_child, "adi,rfb-ohms", &val);
834 	if (err)
835 		return dev_err_probe(dev, err,
839 	err = fwnode_property_read_u32(gain_child, "adi,gain-offset", &val);
840 	if (err)
841 		return dev_err_probe(dev, err,
850 	err = ad3552r_write_reg(dac, addr,
852 	if (err)
853 		return dev_err_probe(dev, err, "Error writing register\n");
855 	err = ad3552r_write_reg(dac, addr, reg);
856 	if (err)
857 		return dev_err_probe(dev, err, "Error writing register\n");
871 	int err, cnt = 0, voltage, delta = 100000;
890 		err = regulator_enable(vref);
891 		if (err) {
893 			return err;
896 		err = devm_add_action_or_reset(dev, ad3552r_reg_disable, vref);
897 		if (err) {
899 			return err;
910 	err = ad3552r_update_reg_field(dac,
914 	if (err)
915 		return err;
917 	err = device_property_read_u32(dev, "adi,sdo-drive-strength", &val);
918 	if (!err) {
924 		err = ad3552r_update_reg_field(dac,
928 		if (err)
929 			return err;
939 		err = fwnode_property_read_u32(child, "reg", &ch);
940 		if (err)
941 			return dev_err_probe(dev, err,
949 			err = fwnode_property_read_u32_array(child,
953 			if (err)
954 				return dev_err_probe(dev, err,
957 			err = ad3552r_find_range(dac->chip_id, vals);
958 			if (err < 0)
959 				return dev_err_probe(dev, err,
962 			val = err;
963 			err = ad3552r_set_ch_value(dac,
966 			if (err)
967 				return err;
974 			err = ad3552r_configure_custom_gain(dac, child, ch);
975 			if (err)
976 				return err;
982 		err = ad3552r_set_ch_value(dac, AD3552R_CH_SELECT, ch, 1);
983 		if (err < 0)
984 			return err;
993 		err = ad3552r_set_ch_value(dac, AD3552R_CH_AMPLIFIER_POWERDOWN,
995 		if (err)
996 			return err;
1006 	int err;
1009 	err = ad3552r_reset(dac);
1010 	if (err) {
1012 		return err;
1015 	err = ad3552r_check_scratch_pad(dac);
1016 	if (err) {
1018 		return err;
1021 	err = ad3552r_read_reg(dac, AD3552R_REG_ADDR_PRODUCT_ID_L, &val);
1022 	if (err) {
1024 		return err;
1028 	err = ad3552r_read_reg(dac, AD3552R_REG_ADDR_PRODUCT_ID_H, &val);
1029 	if (err) {
1031 		return err;
1048 	int err;
1060 	err = ad3552r_init(dac);
1061 	if (err)
1062 		return err;
1075 	err = devm_iio_triggered_buffer_setup_ext(&indio_dev->dev, indio_dev, NULL,
1080 	if (err)
1081 		return err;