[PATCH 07/13] hwmon: (nct6775) Fix fan6/pwm6 detection for NCT6792D

[Guenter Roeck]

Per datasheet, AUXFANIN3 (fan6) and AUXFANOUT3 (pwm6) are only connected
if DSW_EN is false.

Signed-off-by: Guenter Roeck <li...@roeck-us.net>
---
 drivers/hwmon/nct6775.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index 0ad4bf0ab8be..6e11df697e6e 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -3522,10 +3522,13 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
 
                switch (data->kind) {
                case nct6791:
-               case nct6792:
                        fan6pin = cr2d & BIT(1);
                        pwm6pin = cr2d & BIT(0);
                        break;
+               case nct6792:
+                       fan6pin = !dsw_en && (cr2d & BIT(1));
+                       pwm6pin = !dsw_en && (cr2d & BIT(0));
+                       break;
                case nct6793:
                case nct6795:
                case nct6796:
-- 
2.7.4