add battery polling property

diff --git a/system.prop b/system.prop
index 7912d03..6fdeb20 100644 (file)
--- a/system.prop
+++ b/system.prop
@@ -5,5 +5,6 @@ keyguard.no_require_sim=1
 wifi.supplicant_scan_interval=120
 backlight.brightness_file=/sys/class/backlight/thinkpad_screen/brightness
 backlight.max_brightness_file=/sys/class/backlight/thinkpad_screen/max_brightness
+battery.poll_interval=30
 persist.sys.ui.hw=true
 # end system.prop for x41t