[openwrt/openwrt] ramips: fix RT-AC57U button level

[LEDE Commits]

blocktrron pushed a commit to openwrt/openwrt.git, branch openwrt-21.02:
https://git.openwrt.org/01dcdf7b3ca6fc00f7f8d16a719fa7b1ad16c882

commit 01dcdf7b3ca6fc00f7f8d16a719fa7b1ad16c882
Author: David Bauer <mail at david-bauer.net>
AuthorDate: Sat Jun 18 20:46:33 2022 +0200

    ramips: fix RT-AC57U button level
    
    Both buttons on the RT-AC57U are active-low. Fix the GPIO flag for the
    WPS cutton to fix button behavior.
    
    Signed-off-by: David Bauer <mail at david-bauer.net>
    (cherry picked from commit 535b0c70b1c466733b009144f81f5207f1ecd311)
---
 target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts b/target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts
index 78f5584b4c..dcf5cea460 100644
--- a/target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts
+++ b/target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts
@@ -37,7 +37,7 @@
 
 		wps {
 			label = "wps";
-			gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
+			gpios = <&gpio 43 GPIO_ACTIVE_LOW>;
 			linux,code = <KEY_WPS_BUTTON>;
 			debounce-interval = <60>;
 		};