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/ltc4215.c | 52 +++++++++++++++++++---------------------------------
1 files changed, 19 insertions(+), 33 deletions(-)
diff --git a/kernel/drivers/hwmon/ltc4215.c b/kernel/drivers/hwmon/ltc4215.c
index c8a9bd9..7cef3cb 100644
--- a/kernel/drivers/hwmon/ltc4215.c
+++ b/kernel/drivers/hwmon/ltc4215.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Driver for Linear Technology LTC4215 I2C Hot Swap Controller
*
* Copyright (C) 2009 Ira W. Snyder <iws@ovro.caltech.edu>
- *
- * 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; version 2 of the License.
*
* Datasheet:
* http://www.linear.com/pc/downloadDocument.do?navId=H0,C1,C1003,C1006,C1163,P17572,D12697
@@ -136,9 +133,8 @@
return curr;
}
-static ssize_t ltc4215_show_voltage(struct device *dev,
- struct device_attribute *da,
- char *buf)
+static ssize_t ltc4215_voltage_show(struct device *dev,
+ struct device_attribute *da, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
const int voltage = ltc4215_get_voltage(dev, attr->index);
@@ -146,18 +142,16 @@
return snprintf(buf, PAGE_SIZE, "%d\n", voltage);
}
-static ssize_t ltc4215_show_current(struct device *dev,
- struct device_attribute *da,
- char *buf)
+static ssize_t ltc4215_current_show(struct device *dev,
+ struct device_attribute *da, char *buf)
{
const unsigned int curr = ltc4215_get_current(dev);
return snprintf(buf, PAGE_SIZE, "%u\n", curr);
}
-static ssize_t ltc4215_show_power(struct device *dev,
- struct device_attribute *da,
- char *buf)
+static ssize_t ltc4215_power_show(struct device *dev,
+ struct device_attribute *da, char *buf)
{
const unsigned int curr = ltc4215_get_current(dev);
const int output_voltage = ltc4215_get_voltage(dev, LTC4215_ADIN);
@@ -168,9 +162,8 @@
return snprintf(buf, PAGE_SIZE, "%u\n", power);
}
-static ssize_t ltc4215_show_alarm(struct device *dev,
- struct device_attribute *da,
- char *buf)
+static ssize_t ltc4215_alarm_show(struct device *dev,
+ struct device_attribute *da, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct ltc4215_data *data = ltc4215_update_device(dev);
@@ -189,26 +182,20 @@
/* Construct a sensor_device_attribute structure for each register */
/* Current */
-static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, ltc4215_show_current, NULL, 0);
-static SENSOR_DEVICE_ATTR(curr1_max_alarm, S_IRUGO, ltc4215_show_alarm, NULL,
- 1 << 2);
+static SENSOR_DEVICE_ATTR_RO(curr1_input, ltc4215_current, 0);
+static SENSOR_DEVICE_ATTR_RO(curr1_max_alarm, ltc4215_alarm, 1 << 2);
/* Power (virtual) */
-static SENSOR_DEVICE_ATTR(power1_input, S_IRUGO, ltc4215_show_power, NULL, 0);
+static SENSOR_DEVICE_ATTR_RO(power1_input, ltc4215_power, 0);
/* Input Voltage */
-static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, ltc4215_show_voltage, NULL,
- LTC4215_ADIN);
-static SENSOR_DEVICE_ATTR(in1_max_alarm, S_IRUGO, ltc4215_show_alarm, NULL,
- 1 << 0);
-static SENSOR_DEVICE_ATTR(in1_min_alarm, S_IRUGO, ltc4215_show_alarm, NULL,
- 1 << 1);
+static SENSOR_DEVICE_ATTR_RO(in1_input, ltc4215_voltage, LTC4215_ADIN);
+static SENSOR_DEVICE_ATTR_RO(in1_max_alarm, ltc4215_alarm, 1 << 0);
+static SENSOR_DEVICE_ATTR_RO(in1_min_alarm, ltc4215_alarm, 1 << 1);
/* Output Voltage */
-static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, ltc4215_show_voltage, NULL,
- LTC4215_SOURCE);
-static SENSOR_DEVICE_ATTR(in2_min_alarm, S_IRUGO, ltc4215_show_alarm, NULL,
- 1 << 3);
+static SENSOR_DEVICE_ATTR_RO(in2_input, ltc4215_voltage, LTC4215_SOURCE);
+static SENSOR_DEVICE_ATTR_RO(in2_min_alarm, ltc4215_alarm, 1 << 3);
/*
* Finally, construct an array of pointers to members of the above objects,
@@ -231,8 +218,7 @@
};
ATTRIBUTE_GROUPS(ltc4215);
-static int ltc4215_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int ltc4215_probe(struct i2c_client *client)
{
struct i2c_adapter *adapter = client->adapter;
struct device *dev = &client->dev;
@@ -269,7 +255,7 @@
.driver = {
.name = "ltc4215",
},
- .probe = ltc4215_probe,
+ .probe_new = ltc4215_probe,
.id_table = ltc4215_id,
};
--
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