hwmon: (ina2xx) Add ina231 compatible string

Add support for "ina231" as compatible string, and update
Documentation and Kconfig accordingly.

Tested with the Exynos5422-based odroid-xu3 board which has on-board
INA231 sensors.

Signed-off-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

2 files changed, 3 insertions, 2 deletions

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index a7de26d1ac80..c24394086b40 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1430,8 +1430,8 @@ config SENSORS_INA2XX
         tristate "Texas Instruments INA219 and compatibles"
         depends on I2C
         help
-          If you say yes here you get support for INA219, INA220, INA226, and
-          INA230 power monitor chips.
+          If you say yes here you get support for INA219, INA220, INA226,
+          INA230, and INA231 power monitor chips.
 
           The INA2xx driver is configured for the default configuration of
           the part as described in the datasheet.
diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c
index 611ec4edd979..d1542b7d4bc3 100644
--- a/drivers/hwmon/ina2xx.c
+++ b/drivers/hwmon/ina2xx.c
@@ -538,6 +538,7 @@ static const struct i2c_device_id ina2xx_id[] = {
         { "ina220", ina219 },
         { "ina226", ina226 },
         { "ina230", ina226 },
+        { "ina231", ina226 },
         { }
 };
 MODULE_DEVICE_TABLE(i2c, ina2xx_id);