hwmon: (ds1621) Add ds1721 chip support

Update the ds1621 documentation, driver, and Kconfig with
ds1721 chip support.

Signed-off-by: Robert Coulson <rob.coulson@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 0428e8a74b19..0114ed4b3c07 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -348,11 +348,14 @@ config SENSORS_DS620
           will be called ds620.
 
 config SENSORS_DS1621
-        tristate "Dallas Semiconductor DS1621 and DS1625"
+        tristate "Dallas Semiconductor DS1621 and compatibles"
         depends on I2C
         help
-          If you say yes here you get support for Dallas Semiconductor
-          DS1621 and DS1625 sensor chips.
+          If you say yes here you get support for Dallas Semiconductor/Maxim
+          Integrated DS1621 sensor chips and compatible models including:
+
+          - Dallas Semiconductor DS1625
+          - Maxim Integrated DS1721
 
           This driver can also be built as a module.  If so, the module
           will be called ds1621.