hwmon: Add driver for VIA CPU core temperature

This is a driver for the on-die digital temperature sensor of
VIA's recent CPU models.

[JD: Misc clean-ups.]

Signed-off-by: Harald Welte <HaraldWelte@viatech.com>
Cc: Juerg Haefliger <juergh@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Adam Nielsen <a.nielsen@shikadi.net>
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 665947f..be8eead 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -822,6 +822,14 @@
 	  This driver can also be built as a module.  If so, the module
 	  will be called tmp421.
 
+config SENSORS_VIA_CPUTEMP
+	tristate "VIA CPU temperature sensor"
+	depends on X86
+	help
+	  If you say yes here you get support for the temperature
+	  sensor inside your CPU. Supported are all known variants of
+	  the VIA C7 and Nano.
+
 config SENSORS_VIA686A
 	tristate "VIA686A"
 	depends on PCI