[openwrt/openwrt] ramips: enable LED button for TP-Link EC330-G5u v1

[LEDE Commits]

chunkeey pushed a commit to openwrt/openwrt.git, branch openwrt-23.05:
https://git.openwrt.org/91221d9e741abaad6c1342b24139ae72c24e28f4

commit 91221d9e741abaad6c1342b24139ae72c24e28f4
Author: Mikhail Zhilkin <csharper2005 at gmail.com>
AuthorDate: Sat Jun 3 08:37:54 2023 +0000

    ramips: enable LED button for TP-Link EC330-G5u v1
    
    The device already has LED push button (KEY_LIGHTS_TOGGLE)
    and exported GPIO control "led-light". This commit adds
    button handler script for switching on/off all device LEDs.
    
    Signed-off-by: Mikhail Zhilkin <csharper2005 at gmail.com>
    Signed-off-by: Christian Lamparter <chunkeey at gmail.com>
    (cherry picked from commit d955b41275eaf93b7600f8eb7d706f40302f26c2)
---
 .../ramips/mt7621/base-files/etc/rc.button/lights_toggle | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/target/linux/ramips/mt7621/base-files/etc/rc.button/lights_toggle b/target/linux/ramips/mt7621/base-files/etc/rc.button/lights_toggle
new file mode 100755
index 0000000000..c008b633a4
--- /dev/null
+++ b/target/linux/ramips/mt7621/base-files/etc/rc.button/lights_toggle
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+[[ "${ACTION}" = "released" ]] || exit 0
+
+. /lib/functions.sh
+
+case "$(board_name)" in
+tplink,ec330-g5u-v1)
+	led_light="/sys/class/gpio/led-light/value"
+	echo "$((!$(cat $led_light)))" > "$led_light"
+;;
+	*)
+;;
+esac
+
+return 0