hwmon: (lm70) Add TI TMP121 support

The Texas Instruments TMP121 is a SPI temperature sensor very similar
to the LM70, with slightly higher resolution.  This patch extends the
LM70 driver to support the TMP121.  The TMP123 differs in pin assign-
ment.

Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 3c34fb5e4194..4b33bc82cc24 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -428,11 +428,12 @@ config SENSORS_LM63
           will be called lm63.
 
 config SENSORS_LM70
-        tristate "National Semiconductor LM70"
+        tristate "National Semiconductor LM70 / Texas Instruments TMP121"
         depends on SPI_MASTER && EXPERIMENTAL
         help
           If you say yes here you get support for the National Semiconductor
-          LM70 digital temperature sensor chip.
+          LM70 and Texas Instruments TMP121/TMP123 digital temperature
+          sensor chips.
 
           This driver can also be built as a module.  If so, the module
           will be called lm70.