hwmon: (lm90) Add support for extra features of max6659
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/Documentation/hwmon/lm90 b/Documentation/hwmon/lm90
index d5ce9f4..bc2c2b4 100644
--- a/Documentation/hwmon/lm90
+++ b/Documentation/hwmon/lm90
@@ -101,10 +101,11 @@
with many other devices, many of which are supported by this driver.
Note that there is no easy way to differentiate between the MAX6657,
-MAX6658 and MAX6659 variants. The extra address and features of the
-MAX6659 are not supported by this driver. The MAX6680 and MAX6681 only
-differ in their pinout, therefore they obviously can't (and don't need to)
-be distinguished.
+MAX6658 and MAX6659 variants. The extra features of the MAX6659 are only
+supported by this driver if the chip is located at address 0x4d or 0x4e,
+or if the chip type is explicitly selected as max6659.
+The MAX6680 and MAX6681 only differ in their pinout, therefore they obviously
+can't (and don't need to) be distinguished.
The specificity of this family of chipsets over the ADM1021/LM84
family is that it features critical limits with hysteresis, and an