From b11e24701a8ac6479ae6da92666f1dfb0b7dde6d Mon Sep 17 00:00:00 2001
From: Sergey Lisov <sleirsgoevy@gmail.com>
Date: Sun, 5 Feb 2023 03:22:15 +0300
Subject: [PATCH] device-samsung-a6lte: hack around a WiFi bug in the vendor
 kernel (MR 3823)

If the wlan0 interface is rfkilled down on boot, WiFi won't work until reboot.
It seems that quickly ifconfig'ing wlan0 up and down in sysinit is enough to work around the bug.

[ci:skip-build] already built successfully in CI
---
 device/testing/device-samsung-a6lte/APKBUILD              | 6 ++++--
 .../device-samsung-a6lte.post-install                     | 2 ++
 device/testing/device-samsung-a6lte/etc-init.d-wlan0-up   | 8 ++++++++
 3 files changed, 14 insertions(+), 2 deletions(-)
 create mode 100644 device/testing/device-samsung-a6lte/etc-init.d-wlan0-up

diff --git a/device/testing/device-samsung-a6lte/APKBUILD b/device/testing/device-samsung-a6lte/APKBUILD
index 18cfb9bcc..41d7260ca 100644
--- a/device/testing/device-samsung-a6lte/APKBUILD
+++ b/device/testing/device-samsung-a6lte/APKBUILD
@@ -1,7 +1,7 @@
 # Reference: <https://postmarketos.org/devicepkg>
 pkgname=device-samsung-a6lte
 pkgdesc="Samsung Galaxy A6 2018"
-pkgver=0.2
+pkgver=0.3
 pkgrel=0
 url="https://postmarketos.org"
 license="MIT"
@@ -16,7 +16,6 @@ depends="
 	pipewire-pulse
 	postmarketos-base
 	samsungipcd
-	samsungipcd-openrc
 	util-linux
 "
 replaces="
@@ -30,6 +29,7 @@ source="
 	deviceinfo
 	etc-conf.d-samsungipcd
 	etc-init.d-udev-settle
+	etc-init.d-wlan0-up
 	etc-lightdm-lightdm.conf
 	etc-NetworkManager-conf.d-swlan0-unmanaged.conf
 	usr-libexec-samsungipcd-voicecall.sh
@@ -50,6 +50,7 @@ package() {
 	devicepkg_package $startdir $pkgname
 	install -Dm644 etc-conf.d-samsungipcd "$pkgdir"/etc/conf.d/samsungipcd
 	install -Dm755 etc-init.d-udev-settle "$pkgdir"/etc/init.d/udev-settle
+	install -Dm755 etc-init.d-wlan0-up "$pkgdir"/etc/init.d/wlan0-up
 	install -Dm644 etc-lightdm-lightdm.conf "$pkgdir"/etc/lightdm/lightdm.conf
 	install -Dm644 etc-NetworkManager-conf.d-swlan0-unmanaged.conf "$pkgdir"/etc/NetworkManager/conf.d/swlan0-unmanaged.conf
 	install -Dm755 usr-libexec-samsungipcd-voicecall.sh "$pkgdir"/usr/libexec/samsungipcd/voicecall.sh
@@ -69,6 +70,7 @@ sha512sums="
 63be7d1b44093c2d892a92ad788a9a6a9d510c9ca0aac1f249213458402c546560827aaaa23c88497efee4675b15bf47481e551e5de043abaf5ae65e3de9c10a  deviceinfo
 3e5bb764529010d2b6b1f2759a7799f665d140aebcee2dd63433e68cd4282e09b5d3b34fb7c21e737595b406501e7f02ece4592651c60e4c2b9419de4aedb438  etc-conf.d-samsungipcd
 203b832a7080d5f1351c5e024e444f9fe509f6e0fd4b376a60c7d73359b7e356863a4f15caf9b2e4e733dc44d2971722083e7c69ca94a012eb004b4b8ded9d09  etc-init.d-udev-settle
+7caddfe4659c969a33adcc27a760bc78d4f70ca4b7a4a5ec28a6411c12f3e6dd6d427b59f75976a737a5fe0f09806f8b6d65798f6358bd1e1954ad2a28fbfdc8  etc-init.d-wlan0-up
 861270c6bc0b2a3e6cd389c21c8c895e62de8cf8bec6fcf23c178f8cbaae855d62b0ee98692671ab4f518d84cb43dd0b2fe46f5a609f65af6a6c06e0fdbb6d0c  etc-lightdm-lightdm.conf
 ef24527b13e48a9153643f3713167d3d08486e7de8b4c94d7c446ff380396115890573d8cd4aa5448766d9e779e189833a83e7921081679bd348c3f8a59410af  etc-NetworkManager-conf.d-swlan0-unmanaged.conf
 abe1c4a2f59fe862cebef75c54b8806bd86ce06aeb15d8c0699ab1338c9d575cb72a4d5b099f94272b1d9c9c3f4960af209a9e058ea9e57733b7d905dad0d33f  usr-libexec-samsungipcd-voicecall.sh
diff --git a/device/testing/device-samsung-a6lte/device-samsung-a6lte.post-install b/device/testing/device-samsung-a6lte/device-samsung-a6lte.post-install
index 93541d50a..9eb9d6d43 100644
--- a/device/testing/device-samsung-a6lte/device-samsung-a6lte.post-install
+++ b/device/testing/device-samsung-a6lte/device-samsung-a6lte.post-install
@@ -5,3 +5,5 @@ if ! grep -q /efs /etc/fstab; then
 	mkdir -p /efs
 	echo "/dev/disk/by-partlabel/EFS	/efs	auto	ro	0	0" >> /etc/fstab
 fi
+
+rc-update add wlan0-up sysinit
diff --git a/device/testing/device-samsung-a6lte/etc-init.d-wlan0-up b/device/testing/device-samsung-a6lte/etc-init.d-wlan0-up
new file mode 100644
index 000000000..ce087daa1
--- /dev/null
+++ b/device/testing/device-samsung-a6lte/etc-init.d-wlan0-up
@@ -0,0 +1,8 @@
+#!/sbin/openrc-run
+
+description="Hack to fix wlan0 EINVAL if rfkilled on boot"
+
+start () {
+	ifconfig wlan0 up
+	ifconfig wlan0 down
+}