diff options
Diffstat (limited to 'drivers/hwmon/ltc4215.c')
| -rw-r--r-- | drivers/hwmon/ltc4215.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/hwmon/ltc4215.c b/drivers/hwmon/ltc4215.c index d4a1d033d3e8..cce452711cec 100644 --- a/drivers/hwmon/ltc4215.c +++ b/drivers/hwmon/ltc4215.c @@ -1,12 +1,9 @@ +// 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 */ @@ -67,7 +64,7 @@ static struct ltc4215_data *ltc4215_update_device(struct device *dev) } data->last_updated = jiffies; - data->valid = 1; + data->valid = true; } mutex_unlock(&data->update_lock); @@ -142,7 +139,7 @@ static ssize_t ltc4215_voltage_show(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(da); const int voltage = ltc4215_get_voltage(dev, attr->index); - return snprintf(buf, PAGE_SIZE, "%d\n", voltage); + return sysfs_emit(buf, "%d\n", voltage); } static ssize_t ltc4215_current_show(struct device *dev, @@ -150,7 +147,7 @@ static ssize_t ltc4215_current_show(struct device *dev, { const unsigned int curr = ltc4215_get_current(dev); - return snprintf(buf, PAGE_SIZE, "%u\n", curr); + return sysfs_emit(buf, "%u\n", curr); } static ssize_t ltc4215_power_show(struct device *dev, @@ -162,7 +159,7 @@ static ssize_t ltc4215_power_show(struct device *dev, /* current in mA * voltage in mV == power in uW */ const unsigned int power = abs(output_voltage * curr); - return snprintf(buf, PAGE_SIZE, "%u\n", power); + return sysfs_emit(buf, "%u\n", power); } static ssize_t ltc4215_alarm_show(struct device *dev, @@ -173,7 +170,7 @@ static ssize_t ltc4215_alarm_show(struct device *dev, const u8 reg = data->regs[LTC4215_STATUS]; const u32 mask = attr->index; - return snprintf(buf, PAGE_SIZE, "%u\n", !!(reg & mask)); + return sysfs_emit(buf, "%u\n", !!(reg & mask)); } /* @@ -221,8 +218,7 @@ static struct attribute *ltc4215_attrs[] = { }; 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; @@ -249,7 +245,7 @@ static int ltc4215_probe(struct i2c_client *client, } static const struct i2c_device_id ltc4215_id[] = { - { "ltc4215", 0 }, + { "ltc4215" }, { } }; MODULE_DEVICE_TABLE(i2c, ltc4215_id); |