From: David Bauer <mail@david-bauer.net>
Date: Sat, 9 Nov 2019 18:10:51 +0000 (+0100)
Subject: ramips: correct R6220 button flag
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=3459013257e0;p=oweals%2Fopenwrt.git

ramips: correct R6220 button flag

All buttons on the Netgear R6220 are active-low while they are flagged
as active-high.

The GPIO status reads the following for no buttons pressed:

root@64367-r6220:~# cat /sys/kernel/debug/gpio
gpio-7   (                    |wps                 ) in  hi
gpio-8   (                    |wifi                ) in  hi
gpio-14  (                    |reset               ) in  hi

Signed-off-by: David Bauer <mail@david-bauer.net>
---

diff --git a/target/linux/ramips/dts/mt7621_netgear_r6220.dts b/target/linux/ramips/dts/mt7621_netgear_r6220.dts
index 281c0d5331..f23e12b852 100644
--- a/target/linux/ramips/dts/mt7621_netgear_r6220.dts
+++ b/target/linux/ramips/dts/mt7621_netgear_r6220.dts
@@ -12,19 +12,19 @@
 
 		wps {
 			label = "wps";
-			gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
+			gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_WPS_BUTTON>;
 		};
 
 		wifi {
 			label = "wifi";
-			gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+			gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_RFKILL>;
 		};
 
 		reset {
 			label = "reset";
-			gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
+			gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_RESTART>;
 		};
 	};