diff options
Diffstat (limited to 'drivers/hwmon/adcxx.c')
| -rw-r--r-- | drivers/hwmon/adcxx.c | 63 |
1 files changed, 24 insertions, 39 deletions
diff --git a/drivers/hwmon/adcxx.c b/drivers/hwmon/adcxx.c index 69e0bb97e597..de37bce24fa6 100644 --- a/drivers/hwmon/adcxx.c +++ b/drivers/hwmon/adcxx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * adcxx.c * @@ -18,20 +19,6 @@ * * Handling of 8, 10 and 12 bits converters are the same, the * unavailable bits are 0 :) - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/init.h> @@ -57,8 +44,8 @@ struct adcxx { }; /* sysfs hook function */ -static ssize_t adcxx_read(struct device *dev, - struct device_attribute *devattr, char *buf) +static ssize_t adcxx_show(struct device *dev, + struct device_attribute *devattr, char *buf) { struct spi_device *spi = to_spi_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); @@ -94,15 +81,15 @@ out: return status; } -static ssize_t adcxx_show_min(struct device *dev, - struct device_attribute *devattr, char *buf) +static ssize_t adcxx_min_show(struct device *dev, + struct device_attribute *devattr, char *buf) { /* The minimum reference is 0 for this chip family */ return sprintf(buf, "0\n"); } -static ssize_t adcxx_show_max(struct device *dev, - struct device_attribute *devattr, char *buf) +static ssize_t adcxx_max_show(struct device *dev, + struct device_attribute *devattr, char *buf) { struct spi_device *spi = to_spi_device(dev); struct adcxx *adc = spi_get_drvdata(spi); @@ -118,8 +105,9 @@ static ssize_t adcxx_show_max(struct device *dev, return sprintf(buf, "%d\n", reference); } -static ssize_t adcxx_set_max(struct device *dev, - struct device_attribute *devattr, const char *buf, size_t count) +static ssize_t adcxx_max_store(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) { struct spi_device *spi = to_spi_device(dev); struct adcxx *adc = spi_get_drvdata(spi); @@ -138,25 +126,24 @@ static ssize_t adcxx_set_max(struct device *dev, return count; } -static ssize_t adcxx_show_name(struct device *dev, struct device_attribute - *devattr, char *buf) +static ssize_t adcxx_name_show(struct device *dev, + struct device_attribute *devattr, char *buf) { return sprintf(buf, "%s\n", to_spi_device(dev)->modalias); } static struct sensor_device_attribute ad_input[] = { - SENSOR_ATTR(name, S_IRUGO, adcxx_show_name, NULL, 0), - SENSOR_ATTR(in_min, S_IRUGO, adcxx_show_min, NULL, 0), - SENSOR_ATTR(in_max, S_IWUSR | S_IRUGO, adcxx_show_max, - adcxx_set_max, 0), - SENSOR_ATTR(in0_input, S_IRUGO, adcxx_read, NULL, 0), - SENSOR_ATTR(in1_input, S_IRUGO, adcxx_read, NULL, 1), - SENSOR_ATTR(in2_input, S_IRUGO, adcxx_read, NULL, 2), - SENSOR_ATTR(in3_input, S_IRUGO, adcxx_read, NULL, 3), - SENSOR_ATTR(in4_input, S_IRUGO, adcxx_read, NULL, 4), - SENSOR_ATTR(in5_input, S_IRUGO, adcxx_read, NULL, 5), - SENSOR_ATTR(in6_input, S_IRUGO, adcxx_read, NULL, 6), - SENSOR_ATTR(in7_input, S_IRUGO, adcxx_read, NULL, 7), + SENSOR_ATTR_RO(name, adcxx_name, 0), + SENSOR_ATTR_RO(in_min, adcxx_min, 0), + SENSOR_ATTR_RW(in_max, adcxx_max, 0), + SENSOR_ATTR_RO(in0_input, adcxx, 0), + SENSOR_ATTR_RO(in1_input, adcxx, 1), + SENSOR_ATTR_RO(in2_input, adcxx, 2), + SENSOR_ATTR_RO(in3_input, adcxx, 3), + SENSOR_ATTR_RO(in4_input, adcxx, 4), + SENSOR_ATTR_RO(in5_input, adcxx, 5), + SENSOR_ATTR_RO(in6_input, adcxx, 6), + SENSOR_ATTR_RO(in7_input, adcxx, 7), }; /*----------------------------------------------------------------------*/ @@ -207,7 +194,7 @@ out_err: return status; } -static int adcxx_remove(struct spi_device *spi) +static void adcxx_remove(struct spi_device *spi) { struct adcxx *adc = spi_get_drvdata(spi); int i; @@ -218,8 +205,6 @@ static int adcxx_remove(struct spi_device *spi) device_remove_file(&spi->dev, &ad_input[i].dev_attr); mutex_unlock(&adc->lock); - - return 0; } static const struct spi_device_id adcxx_ids[] = { |