From e29c8ede3d43565dc01bd5d80a9f1a147ae650c1 Mon Sep 17 00:00:00 2001
From: Robert Yang <decatf@gmail.com>
Date: Sat, 9 Mar 2019 15:01:47 -0500
Subject: [PATCH] device-ouya-ouya: Set cooling governor in initfs hook (!269)

This governor is meant for simple on/off cooling fans.
---
 device/device-ouya-ouya/APKBUILD       |  2 +-
 device/device-ouya-ouya/initfs-hook.sh | 16 +++++++++++++---
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/device/device-ouya-ouya/APKBUILD b/device/device-ouya-ouya/APKBUILD
index 740762a72..684c90187 100644
--- a/device/device-ouya-ouya/APKBUILD
+++ b/device/device-ouya-ouya/APKBUILD
@@ -29,5 +29,5 @@ nonfree_firmware() {
 }
 
 sha512sums="f1c6befb6867ae6e2f9e42312bdd03c4c242da33a6d2e6bc6fb2df5b6437acab50fb2c51a4663a1e1799e77614a959cac40bcc59336e92d2d6ac15cfacce6e67  deviceinfo
-c7253d5d6f53b7acbb1c2358e95ecba86ccbaa2bb5e99ad8db9f59e453209ddad55b13d8c1dc67f634cc4f997283b4079fa1b5b60f6d1440b13f39e5b1646d81  initfs-hook.sh
+d01ac1f451275b1a269aab3c8f7fe20b482c952d00c4457ea496b45780c052f8ef98a5ba22a4af009ca128858374c1d3fb97e458102b09f7c40f3d7a718326c1  initfs-hook.sh
 bf442fac4dc0594e055ed7a7d8232b5c884e2e77543273e8c4f32b5fe3c199561c86d8a5f665e17406057ca7863fabb93e789fe5e168fcd89d2982e0046232ad  fb.modes"
diff --git a/device/device-ouya-ouya/initfs-hook.sh b/device/device-ouya-ouya/initfs-hook.sh
index a8014e23a..eda297597 100644
--- a/device/device-ouya-ouya/initfs-hook.sh
+++ b/device/device-ouya-ouya/initfs-hook.sh
@@ -1,6 +1,16 @@
 #!/bin/sh
 
+# downstream kernel
 # fix display for xorg
-echo 0 > /sys/class/graphics/fb0/blank
-echo 16 > /sys/devices/tegradc.0/graphics/fb0/bits_per_pixel
-echo 0 0 > /sys/class/graphics/fb0/pan
+if [ -d /sys/devices/tegradc.0 ]; then
+	echo 0 > /sys/class/graphics/fb0/blank
+	echo 16 > /sys/devices/tegradc.0/graphics/fb0/bits_per_pixel
+	echo 0 0 > /sys/class/graphics/fb0/pan
+fi
+
+
+# mainline kernel
+# set cooling governor that is meant for simple on/off cooling fans
+if [ -d /sys/class/thermal/thermal_zone0 ]; then
+	echo "bang_bang" | tee /sys/class/thermal/thermal_zone0/policy
+fi