From 748e4f3d702def1a4bff191e0cf93b6a05340f01 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:41:34 +0000
Subject: [PATCH] add gpio led uart
---
kernel/drivers/hwmon/ltc4222.c | 70 +++++++++++++---------------------
1 files changed, 27 insertions(+), 43 deletions(-)
diff --git a/kernel/drivers/hwmon/ltc4222.c b/kernel/drivers/hwmon/ltc4222.c
index 88f7472..3efce6d 100644
--- a/kernel/drivers/hwmon/ltc4222.c
+++ b/kernel/drivers/hwmon/ltc4222.c
@@ -1,17 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for Linear Technology LTC4222 Dual Hot Swap controller
*
* Copyright (c) 2014 Guenter Roeck
- *
- * 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.
*/
#include <linux/kernel.h>
@@ -94,7 +85,7 @@
return val;
}
-static ssize_t ltc4222_show_value(struct device *dev,
+static ssize_t ltc4222_value_show(struct device *dev,
struct device_attribute *da, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
@@ -106,7 +97,7 @@
return snprintf(buf, PAGE_SIZE, "%d\n", value);
}
-static ssize_t ltc4222_show_bool(struct device *dev,
+static ssize_t ltc4222_bool_show(struct device *dev,
struct device_attribute *da, char *buf)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(da);
@@ -125,45 +116,39 @@
}
/* Voltages */
-static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, ltc4222_show_value, NULL,
- LTC4222_SOURCE1);
-static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, ltc4222_show_value, NULL,
- LTC4222_ADIN1);
-static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, ltc4222_show_value, NULL,
- LTC4222_SOURCE2);
-static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, ltc4222_show_value, NULL,
- LTC4222_ADIN2);
+static SENSOR_DEVICE_ATTR_RO(in1_input, ltc4222_value, LTC4222_SOURCE1);
+static SENSOR_DEVICE_ATTR_RO(in2_input, ltc4222_value, LTC4222_ADIN1);
+static SENSOR_DEVICE_ATTR_RO(in3_input, ltc4222_value, LTC4222_SOURCE2);
+static SENSOR_DEVICE_ATTR_RO(in4_input, ltc4222_value, LTC4222_ADIN2);
/*
* Voltage alarms
* UV/OV faults are associated with the input voltage, and power bad and fet
* faults are associated with the output voltage.
*/
-static SENSOR_DEVICE_ATTR_2(in1_min_alarm, S_IRUGO, ltc4222_show_bool, NULL,
- LTC4222_FAULT1, FAULT_UV);
-static SENSOR_DEVICE_ATTR_2(in1_max_alarm, S_IRUGO, ltc4222_show_bool, NULL,
- LTC4222_FAULT1, FAULT_OV);
-static SENSOR_DEVICE_ATTR_2(in2_alarm, S_IRUGO, ltc4222_show_bool, NULL,
- LTC4222_FAULT1, FAULT_POWER_BAD | FAULT_FET_BAD);
+static SENSOR_DEVICE_ATTR_2_RO(in1_min_alarm, ltc4222_bool, LTC4222_FAULT1,
+ FAULT_UV);
+static SENSOR_DEVICE_ATTR_2_RO(in1_max_alarm, ltc4222_bool, LTC4222_FAULT1,
+ FAULT_OV);
+static SENSOR_DEVICE_ATTR_2_RO(in2_alarm, ltc4222_bool, LTC4222_FAULT1,
+ FAULT_POWER_BAD | FAULT_FET_BAD);
-static SENSOR_DEVICE_ATTR_2(in3_min_alarm, S_IRUGO, ltc4222_show_bool, NULL,
- LTC4222_FAULT2, FAULT_UV);
-static SENSOR_DEVICE_ATTR_2(in3_max_alarm, S_IRUGO, ltc4222_show_bool, NULL,
- LTC4222_FAULT2, FAULT_OV);
-static SENSOR_DEVICE_ATTR_2(in4_alarm, S_IRUGO, ltc4222_show_bool, NULL,
- LTC4222_FAULT2, FAULT_POWER_BAD | FAULT_FET_BAD);
+static SENSOR_DEVICE_ATTR_2_RO(in3_min_alarm, ltc4222_bool, LTC4222_FAULT2,
+ FAULT_UV);
+static SENSOR_DEVICE_ATTR_2_RO(in3_max_alarm, ltc4222_bool, LTC4222_FAULT2,
+ FAULT_OV);
+static SENSOR_DEVICE_ATTR_2_RO(in4_alarm, ltc4222_bool, LTC4222_FAULT2,
+ FAULT_POWER_BAD | FAULT_FET_BAD);
/* Current (via sense resistor) */
-static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, ltc4222_show_value, NULL,
- LTC4222_SENSE1);
-static SENSOR_DEVICE_ATTR(curr2_input, S_IRUGO, ltc4222_show_value, NULL,
- LTC4222_SENSE2);
+static SENSOR_DEVICE_ATTR_RO(curr1_input, ltc4222_value, LTC4222_SENSE1);
+static SENSOR_DEVICE_ATTR_RO(curr2_input, ltc4222_value, LTC4222_SENSE2);
/* Overcurrent alarm */
-static SENSOR_DEVICE_ATTR_2(curr1_max_alarm, S_IRUGO, ltc4222_show_bool, NULL,
- LTC4222_FAULT1, FAULT_OC);
-static SENSOR_DEVICE_ATTR_2(curr2_max_alarm, S_IRUGO, ltc4222_show_bool, NULL,
- LTC4222_FAULT2, FAULT_OC);
+static SENSOR_DEVICE_ATTR_2_RO(curr1_max_alarm, ltc4222_bool, LTC4222_FAULT1,
+ FAULT_OC);
+static SENSOR_DEVICE_ATTR_2_RO(curr2_max_alarm, ltc4222_bool, LTC4222_FAULT2,
+ FAULT_OC);
static struct attribute *ltc4222_attrs[] = {
&sensor_dev_attr_in1_input.dev_attr.attr,
@@ -192,8 +177,7 @@
.max_register = LTC4222_ADC_CONTROL,
};
-static int ltc4222_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int ltc4222_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
struct device *hwmon_dev;
@@ -226,7 +210,7 @@
.driver = {
.name = "ltc4222",
},
- .probe = ltc4222_probe,
+ .probe_new = ltc4222_probe,
.id_table = ltc4222_id,
};
--
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