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path: root/drivers/iio/light/lm3533-als.c
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Diffstat (limited to 'drivers/iio/light/lm3533-als.c')
-rw-r--r--drivers/iio/light/lm3533-als.c29
1 files changed, 11 insertions, 18 deletions
diff --git a/drivers/iio/light/lm3533-als.c b/drivers/iio/light/lm3533-als.c
index 0443fd2e8757..99f0b903018c 100644
--- a/drivers/iio/light/lm3533-als.c
+++ b/drivers/iio/light/lm3533-als.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* lm3533-als.c -- LM3533 Ambient Light Sensor driver
*
* Copyright (C) 2011-2012 Texas Instruments
*
* Author: Johan Hovold <jhovold@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
*/
#include <linux/atomic.h>
@@ -199,7 +195,7 @@ static int lm3533_als_read_raw(struct iio_dev *indio_dev,
int ret;
switch (mask) {
- case 0:
+ case IIO_CHAN_INFO_RAW:
switch (chan->type) {
case IIO_LIGHT:
ret = lm3533_als_get_adc(indio_dev, false, val);
@@ -421,7 +417,7 @@ static ssize_t show_thresh_either_en(struct device *dev,
enable = 0;
}
- return scnprintf(buf, PAGE_SIZE, "%u\n", enable);
+ return sysfs_emit(buf, "%u\n", enable);
}
static ssize_t store_thresh_either_en(struct device *dev,
@@ -478,7 +474,7 @@ static ssize_t show_zone(struct device *dev,
if (ret)
return ret;
- return scnprintf(buf, PAGE_SIZE, "%u\n", zone);
+ return sysfs_emit(buf, "%u\n", zone);
}
enum lm3533_als_attribute_type {
@@ -534,7 +530,7 @@ static ssize_t show_als_attr(struct device *dev,
if (ret)
return ret;
- return scnprintf(buf, PAGE_SIZE, "%u\n", val);
+ return sysfs_emit(buf, "%u\n", val);
}
static ssize_t store_als_attr(struct device *dev,
@@ -746,7 +742,7 @@ static int lm3533_als_set_resistor(struct lm3533_als *als, u8 val)
if (val < LM3533_ALS_RESISTOR_MIN || val > LM3533_ALS_RESISTOR_MAX) {
dev_err(&als->pdev->dev, "invalid resistor value\n");
return -EINVAL;
- };
+ }
ret = lm3533_write(als->lm3533, LM3533_REG_ALS_RESISTOR_SELECT, val);
if (ret) {
@@ -758,7 +754,7 @@ static int lm3533_als_set_resistor(struct lm3533_als *als, u8 val)
}
static int lm3533_als_setup(struct lm3533_als *als,
- struct lm3533_als_platform_data *pdata)
+ const struct lm3533_als_platform_data *pdata)
{
int ret;
@@ -827,14 +823,13 @@ static int lm3533_als_disable(struct lm3533_als *als)
static const struct iio_info lm3533_als_info = {
.attrs = &lm3533_als_attribute_group,
.event_attrs = &lm3533_als_event_attribute_group,
- .driver_module = THIS_MODULE,
.read_raw = &lm3533_als_read_raw,
};
static int lm3533_als_probe(struct platform_device *pdev)
{
+ const struct lm3533_als_platform_data *pdata;
struct lm3533 *lm3533;
- struct lm3533_als_platform_data *pdata;
struct lm3533_als *als;
struct iio_dev *indio_dev;
int ret;
@@ -843,7 +838,7 @@ static int lm3533_als_probe(struct platform_device *pdev)
if (!lm3533)
return -EINVAL;
- pdata = pdev->dev.platform_data;
+ pdata = dev_get_platdata(&pdev->dev);
if (!pdata) {
dev_err(&pdev->dev, "no platform data\n");
return -EINVAL;
@@ -857,7 +852,7 @@ static int lm3533_als_probe(struct platform_device *pdev)
indio_dev->channels = lm3533_als_channels;
indio_dev->num_channels = ARRAY_SIZE(lm3533_als_channels);
indio_dev->name = dev_name(&pdev->dev);
- indio_dev->dev.parent = pdev->dev.parent;
+ iio_device_set_parent(indio_dev, pdev->dev.parent);
indio_dev->modes = INDIO_DIRECT_MODE;
als = iio_priv(indio_dev);
@@ -900,7 +895,7 @@ err_free_irq:
return ret;
}
-static int lm3533_als_remove(struct platform_device *pdev)
+static void lm3533_als_remove(struct platform_device *pdev)
{
struct iio_dev *indio_dev = platform_get_drvdata(pdev);
struct lm3533_als *als = iio_priv(indio_dev);
@@ -910,8 +905,6 @@ static int lm3533_als_remove(struct platform_device *pdev)
lm3533_als_disable(als);
if (als->irq)
free_irq(als->irq, indio_dev);
-
- return 0;
}
static struct platform_driver lm3533_als_driver = {