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@david-bauer.net>
(cherry picked from commit 535b0c70b1c466733b009144f81f5207f1ecd311)

diff --git a/target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts b/target/linux/ramips/dts/mt7621_asus_rt-ac57u.dts
index 2c6b3f53e6b80c3289d586cd30a855e2a9971034..60ab3e1646c63daa7c2e2f0bd37bc00a7afe9c1b 100644 (file)
--- 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>;
                };