From: Grazvydas Ignotas <notasas@gmail.com>
Date: Mon, 14 May 2012 22:33:31 +0000 (+0300)
Subject: op_power: don't change brightness under new kernel on blank
X-Git-Tag: sz_beta5~13
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=openpandora.oe.git;a=commitdiff_plain;h=afadc0e4570ee55a698f97f832cb3df1c3441407

op_power: don't change brightness under new kernel on blank

the kernel handles this now
---

diff --git a/recipes/pandora-system/pandora-scripts/op_power.sh b/recipes/pandora-system/pandora-scripts/op_power.sh
index e5b5e61..8dc1c21 100644
--- a/recipes/pandora-system/pandora-scripts/op_power.sh
+++ b/recipes/pandora-system/pandora-scripts/op_power.sh
@@ -56,6 +56,13 @@ resume_net() {
 display_on() {
 	echo 0 > /sys/class/graphics/fb0/blank
 
+	# only bother restoring brightness if it's 0
+	# (old kernel or user messed it up somehow)
+	brightness=$(cat $SYSFS_BACKLIGHT_BRIGHTNESS)
+	if [ $brightness -gt 0 ]; then
+		return 0
+	fi
+
 	maxbright=$(cat $SYSFS_BACKLIGHT/max_brightness)
 	oldbright=0
 	if [ -f /tmp/oldbright ]; then
@@ -76,7 +83,10 @@ display_off() {
 	if [ $brightness -gt 0 ]; then
 		echo $brightness > /tmp/oldbright
 	fi
-	echo 0 > $SYSFS_BACKLIGHT_BRIGHTNESS
+	kernel_major=`uname -r | cut -c 1`
+	if [ "$kernel_major" = "2" ]; then
+		echo 0 > $SYSFS_BACKLIGHT_BRIGHTNESS
+	fi
 
 	echo 1 > /sys/class/graphics/fb0/blank
 }