From 7dcdbdeb1b45b9071ad986bf20d8c2da6a057eb6 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Tue, 18 Sep 2018 10:52:55 -0700 Subject: hwmon: (nct6775) Fix fan6/pwm6 detection for NCT6792D Per datasheet, AUXFANIN3 (fan6) and AUXFANOUT3 (pwm6) are only connected if DSW_EN is false. Signed-off-by: Guenter Roeck --- 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: -- cgit v1.2.3