hwmon: (nct7802) fix visibility of temp3
Excerpt from datasheet:
7.2.32 Mode Selection Register
RTD3_MD : 00=Closed , 01=Reserved , 10=Thermistor mode , 11=Voltage sense
Show temp3 only in Thermistor mode
Cc: stable@vger.kernel.org # v3.19+
Signed-off-by: Constantine Shulyupin <const@MakeLinux.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c
index 5576579..28fcb2e 100644
--- a/drivers/hwmon/nct7802.c
+++ b/drivers/hwmon/nct7802.c
@@ -547,7 +547,7 @@
if (index >= 9 && index < 18 &&
(reg & 0x0c) != 0x04 && (reg & 0x0c) != 0x08) /* RD2 */
return 0;
- if (index >= 18 && index < 27 && (reg & 0x30) != 0x10) /* RD3 */
+ if (index >= 18 && index < 27 && (reg & 0x30) != 0x20) /* RD3 */
return 0;
if (index >= 27 && index < 35) /* local */
return attr->mode;