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

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

Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
 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




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