hwmon: (it87) Fix pwm4 detection for IT8620 and IT8628

pwm4 is enabled if bit 2 of GPIO control register 4 is disabled,
not when it is enabled. Since the check is for the skip condition,
it is reversed. This applies to both IT8620 and IT8628.

Fixes: 36c4d98a7883d ("hwmon: (it87) Add support for all pwm channels ...")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 85918d8a747a..4f3fabcd470d 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -2614,7 +2614,7 @@ static int __init it87_find(int sioaddr, unsigned short *address,
 
                 /* Check for pwm4 */
                 reg = superio_inb(sioaddr, IT87_SIO_GPIO4_REG);
-                if (!(reg & BIT(2)))
+                if (reg & BIT(2))
                         sio_data->skip_pwm |= BIT(3);
 
                 /* Check for pwm2, fan2 */