add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/hwmon/da9055-hwmon.c
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@@ -1,15 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * HWMON Driver for Dialog DA9055
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  *
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  * Copyright(c) 2012 Dialog Semiconductor Ltd.
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  *
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  * Author: David Dajun Chen <dchen@diasemi.com>
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- *
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- *  This program is free software; you can redistribute  it and/or modify it
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- *  under  the terms of  the GNU General  Public License as published by the
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- *  Free Software Foundation;  either version 2 of the  License, or (at your
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- *  option) any later version.
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- *
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  */
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 #include <linux/delay.h>
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@@ -140,8 +135,9 @@
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 	return da9055_reg_update(da9055, DA9055_REG_ADC_CONT, 1 << channel, 0);
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 }
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-static ssize_t da9055_read_auto_ch(struct device *dev,
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-				struct device_attribute *devattr, char *buf)
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+static ssize_t da9055_auto_ch_show(struct device *dev,
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+				   struct device_attribute *devattr,
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+				   char *buf)
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 {
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 	struct da9055_hwmon *hwmon = dev_get_drvdata(dev);
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 	int ret, adc;
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@@ -176,7 +172,7 @@
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 	return ret;
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 }
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-static ssize_t da9055_read_tjunc(struct device *dev,
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+static ssize_t da9055_tjunc_show(struct device *dev,
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 				 struct device_attribute *devattr, char *buf)
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 {
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 	struct da9055_hwmon *hwmon = dev_get_drvdata(dev);
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@@ -199,34 +195,24 @@
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 							+ 3076332, 10000));
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 }
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-static ssize_t show_label(struct device *dev,
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+static ssize_t label_show(struct device *dev,
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 			  struct device_attribute *devattr, char *buf)
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 {
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 	return sprintf(buf, "%s\n",
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 		       input_names[to_sensor_dev_attr(devattr)->index]);
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 }
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-static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, da9055_read_auto_ch, NULL,
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-			  DA9055_ADC_VSYS);
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-static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, show_label, NULL,
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-			  DA9055_ADC_VSYS);
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-static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, da9055_read_auto_ch, NULL,
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-			  DA9055_ADC_ADCIN1);
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-static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, show_label, NULL,
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-			  DA9055_ADC_ADCIN1);
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-static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, da9055_read_auto_ch, NULL,
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-			  DA9055_ADC_ADCIN2);
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-static SENSOR_DEVICE_ATTR(in2_label, S_IRUGO, show_label, NULL,
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-			  DA9055_ADC_ADCIN2);
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-static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, da9055_read_auto_ch, NULL,
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-			  DA9055_ADC_ADCIN3);
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-static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL,
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-			  DA9055_ADC_ADCIN3);
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+static SENSOR_DEVICE_ATTR_RO(in0_input, da9055_auto_ch, DA9055_ADC_VSYS);
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+static SENSOR_DEVICE_ATTR_RO(in0_label, label, DA9055_ADC_VSYS);
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+static SENSOR_DEVICE_ATTR_RO(in1_input, da9055_auto_ch, DA9055_ADC_ADCIN1);
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+static SENSOR_DEVICE_ATTR_RO(in1_label, label, DA9055_ADC_ADCIN1);
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+static SENSOR_DEVICE_ATTR_RO(in2_input, da9055_auto_ch, DA9055_ADC_ADCIN2);
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+static SENSOR_DEVICE_ATTR_RO(in2_label, label, DA9055_ADC_ADCIN2);
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+static SENSOR_DEVICE_ATTR_RO(in3_input, da9055_auto_ch, DA9055_ADC_ADCIN3);
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+static SENSOR_DEVICE_ATTR_RO(in3_label, label, DA9055_ADC_ADCIN3);
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-static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, da9055_read_tjunc, NULL,
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-			  DA9055_ADC_TJUNC);
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-static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_label, NULL,
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-			  DA9055_ADC_TJUNC);
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+static SENSOR_DEVICE_ATTR_RO(temp1_input, da9055_tjunc, DA9055_ADC_TJUNC);
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+static SENSOR_DEVICE_ATTR_RO(temp1_label, label, DA9055_ADC_TJUNC);
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 static struct attribute *da9055_attrs[] = {
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 	&sensor_dev_attr_in0_input.dev_attr.attr,