4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Lothar Felten <lothar.felten@xxxxxxxxx>
[ Upstream commit 3ad867001c91657c46dcf6656d52eb6080286fd5 ]
fix the sysfs shunt resistor read access: return the shunt resistor
value, not the calibration register contents.
update email address
Signed-off-by: Lothar Felten <lothar.felten@xxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
Documentation/hwmon/ina2xx | 2 +-
drivers/hwmon/ina2xx.c | 13 +++++++++++--
include/linux/platform_data/ina2xx.h | 2 +-
3 files changed, 13 insertions(+), 4 deletions(-)
--- a/Documentation/hwmon/ina2xx
+++ b/Documentation/hwmon/ina2xx
@@ -32,7 +32,7 @@ Supported chips:
Datasheet: Publicly available at the Texas Instruments website
http://www.ti.com/
-Author: Lothar Felten <l-felten@xxxxxx>
+Author: Lothar Felten <lothar.felten@xxxxxxxxx>
Description
-----------
--- a/drivers/hwmon/ina2xx.c
+++ b/drivers/hwmon/ina2xx.c
@@ -17,7 +17,7 @@
* Bi-directional Current/Power Monitor with I2C Interface
* Datasheet: http://www.ti.com/product/ina230
*
- * Copyright (C) 2012 Lothar Felten <l-felten@xxxxxx>
+ * Copyright (C) 2012 Lothar Felten <lothar.felten@xxxxxxxxx>
* Thanks to Jan Volkering
*
* This program is free software; you can redistribute it and/or modify
@@ -328,6 +328,15 @@ static int ina2xx_set_shunt(struct ina2x
return 0;
}
+static ssize_t ina2xx_show_shunt(struct device *dev,
+ struct device_attribute *da,
+ char *buf)
+{
+ struct ina2xx_data *data = dev_get_drvdata(dev);
+
+ return snprintf(buf, PAGE_SIZE, "%li\n", data->rshunt);
+}
+
static ssize_t ina2xx_store_shunt(struct device *dev,
struct device_attribute *da,
const char *buf, size_t count)
@@ -402,7 +411,7 @@ static SENSOR_DEVICE_ATTR(power1_input,
/* shunt resistance */
static SENSOR_DEVICE_ATTR(shunt_resistor, S_IRUGO | S_IWUSR,
- ina2xx_show_value, ina2xx_store_shunt,
+ ina2xx_show_shunt, ina2xx_store_shunt,
INA2XX_CALIBRATION);
/* update interval (ina226 only) */
--- a/include/linux/platform_data/ina2xx.h
+++ b/include/linux/platform_data/ina2xx.h
@@ -1,7 +1,7 @@
/*
* Driver for Texas Instruments INA219, INA226 power monitor chips
*
- * Copyright (C) 2012 Lothar Felten <l-felten@xxxxxx>
+ * Copyright (C) 2012 Lothar Felten <lothar.felten@xxxxxxxxx>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
