Commit 3ad86700 authored by Lothar Felten's avatar Lothar Felten Committed by Guenter Roeck
Browse files

hwmon: (ina2xx) fix sysfs shunt resistor read access 



fix the sysfs shunt resistor read access: return the shunt resistor
value, not the calibration register contents.

update email address

Signed-off-by: default avatarLothar Felten <lothar.felten@gmail.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 5b394b2d

Documentation/hwmon/ina2xx

+1 −1
Original line number Diff line number Diff line
@@ -32,7 +32,7 @@ Supported chips: 
    Datasheet: Publicly available at the Texas Instruments website

               http://www.ti.com/



Author: Lothar Felten <l-felten@ti.com>

Author: Lothar Felten <lothar.felten@gmail.com>



Description

-----------

drivers/hwmon/ina2xx.c

+11 −2
Original line number Diff line number Diff line
@@ -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@ti.com>

 * Copyright (C) 2012 Lothar Felten <lothar.felten@gmail.com>

 * Thanks to Jan Volkering

 *

 * This program is free software; you can redistribute it and/or modify
@@ -329,6 +329,15 @@ static int ina2xx_set_shunt(struct ina2xx_data *data, long val) 
	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)
@@ -403,7 +412,7 @@ static SENSOR_DEVICE_ATTR(power1_input, S_IRUGO, ina2xx_show_value, NULL, 


/* 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) */

include/linux/platform_data/ina2xx.h

+1 −1
Original line number Diff line number Diff line 
/*

 * Driver for Texas Instruments INA219, INA226 power monitor chips

 *

 * Copyright (C) 2012 Lothar Felten <l-felten@ti.com>

 * Copyright (C) 2012 Lothar Felten <lothar.felten@gmail.com>

 *

 * 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