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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/iio/health/max30102.c
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@@ -1,20 +1,11 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * max30102.c - Support for MAX30102 heart rate and pulse oximeter sensor
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  *
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- * Copyright (C) 2017 Matt Ranostay <matt@ranostay.consulting>
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+ * Copyright (C) 2017 Matt Ranostay <matt.ranostay@konsulko.com>
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  *
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  * Support for MAX30105 optical particle sensor
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  * Copyright (C) 2017 Peter Meerwald-Stadler <pmeerw@pmeerw.net>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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  *
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  * 7-bit I2C chip address: 0x57
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  * TODO: proximity power saving feature
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@@ -28,7 +19,7 @@
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 #include <linux/irq.h>
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 #include <linux/i2c.h>
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 #include <linux/mutex.h>
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-#include <linux/of.h>
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+#include <linux/mod_devicetable.h>
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 #include <linux/regmap.h>
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 #include <linux/iio/iio.h>
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 #include <linux/iio/buffer.h>
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@@ -282,9 +273,11 @@
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 	switch (measurements) {
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 	case 3:
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 		MAX30102_COPY_DATA(2);
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-	case 2: /* fall-through */
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+		fallthrough;
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+	case 2:
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 		MAX30102_COPY_DATA(1);
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-	case 1: /* fall-through */
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+		fallthrough;
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+	case 1:
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 		MAX30102_COPY_DATA(0);
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 		break;
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 	default:
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@@ -330,11 +323,10 @@
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 static int max30102_led_init(struct max30102_data *data)
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 {
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 	struct device *dev = &data->client->dev;
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-	struct device_node *np = dev->of_node;
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 	unsigned int val;
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 	int reg, ret;
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-	ret = of_property_read_u32(np, "maxim,red-led-current-microamp", &val);
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+	ret = device_property_read_u32(dev, "maxim,red-led-current-microamp", &val);
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 	if (ret) {
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 		dev_info(dev, "no red-led-current-microamp set\n");
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@@ -353,7 +345,7 @@
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 		return ret;
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 	if (data->chip_id == max30105) {
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-		ret = of_property_read_u32(np,
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+		ret = device_property_read_u32(dev,
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 			"maxim,green-led-current-microamp", &val);
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 		if (ret) {
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 			dev_info(dev, "no green-led-current-microamp set\n");
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@@ -375,7 +367,7 @@
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 			return ret;
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 	}
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-	ret = of_property_read_u32(np, "maxim,ir-led-current-microamp", &val);
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+	ret = device_property_read_u32(dev, "maxim,ir-led-current-microamp", &val);
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 	if (ret) {
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 		dev_info(dev, "no ir-led-current-microamp set\n");
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@@ -533,7 +525,6 @@
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 	indio_dev->info = &max30102_info;
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 	indio_dev->modes = (INDIO_BUFFER_SOFTWARE | INDIO_DIRECT_MODE);
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 	indio_dev->setup_ops = &max30102_buffer_setup_ops;
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-	indio_dev->dev.parent = &client->dev;
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 	data = iio_priv(indio_dev);
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 	data->indio_dev = indio_dev;
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@@ -632,7 +623,7 @@
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 static struct i2c_driver max30102_driver = {
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 	.driver = {
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 		.name	= MAX30102_DRV_NAME,
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-		.of_match_table	= of_match_ptr(max30102_dt_ids),
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+		.of_match_table	= max30102_dt_ids,
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 	},
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 	.probe		= max30102_probe,
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 	.remove		= max30102_remove,
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@@ -640,6 +631,6 @@
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 };
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 module_i2c_driver(max30102_driver);
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-MODULE_AUTHOR("Matt Ranostay <matt@ranostay.consulting>");
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+MODULE_AUTHOR("Matt Ranostay <matt.ranostay@konsulko.com>");
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 MODULE_DESCRIPTION("MAX30102 heart rate/pulse oximeter and MAX30105 particle sensor driver");
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 MODULE_LICENSE("GPL");