Commit 2d99925a15b6 ("hwmon: (nct6775) Separate fan/pwm configuration detection for NCT6793D") accidentally removed part of the code detecting if fan6 is enabled or not. As result, fan6 is no longer detected on Asus PRIME Z370-A. Restore the missing detection code. Fixes: 2d99925a15b6 ("hwmon: (nct6775) Separate fan/pwm configuration detection for NCT6793D") Reported-by: Chris Siebenmann <cks@xxxxxxxxxxxxxx> Cc: Chris Siebenmann <cks@xxxxxxxxxxxxxx> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> --- drivers/hwmon/nct6775.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c index 4adec4ab7d06..59ee01f3d022 100644 --- a/drivers/hwmon/nct6775.c +++ b/drivers/hwmon/nct6775.c @@ -3594,7 +3594,8 @@ nct6775_check_fan_inputs(struct nct6775_data *data) fan5pin |= cr1b & BIT(5); fan5pin |= creb & BIT(5); - fan6pin = creb & BIT(3); + fan6pin = !dsw_en && (cr2d & BIT(1)); + fan6pin |= creb & BIT(3); pwm5pin |= cr2d & BIT(7); pwm5pin |= (creb & BIT(4)) && !(cr2a & BIT(0)); -- 2.7.4