From: Guenter Roeck <linux@roeck-us.net>
Date: Wed, 8 Feb 2017 14:29:43 +0000 (-0800)
Subject: Fix fan4_ctl detection for IT8620, IT8628
X-Git-Tag: v1.0~53
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=dce3d8968bcada3e0370ed70fc584b9eb830ecab;p=groeck-it87

Fix fan4_ctl detection for IT8620, IT8628

fan4 control 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.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---

diff --git a/it87.c b/it87.c
index 3be865a..a5c354d 100644
--- a/it87.c
+++ b/it87.c
@@ -2644,7 +2644,7 @@ 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 */