PowerHAL: Adds the low power mode power hint.
Low Power Mode power hint caps the maximum frequency.
It also reduces the refresh rate by making service call to the
SurfaceFlinger.
In case of hot plugged cpu, the max frequency is set when the cpu is
hotplugged in, using uevent notification.
Change-Id: Id78fbd765b36785d8ecdfee26d6299b39cad2874
Signed-off-by: Ruchi Kandoi<kandoiruchi@google.com>
diff --git a/init.grouper.rc b/init.grouper.rc
index bdc92e3..0aaf9a3 100644
--- a/init.grouper.rc
+++ b/init.grouper.rc
@@ -258,6 +258,22 @@
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/max_boost
chown system system /sys/devices/system/cpu/cpufreq/interactive/sustain_load
chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/sustain_load
+ chown system system /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq
+ chmod 0660 /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq
+ chown system system /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
+ chmod 0660 /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
+ chown system system /sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq
+ chmod 0660 /sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq
+ chown system system /sys/devices/system/cpu/cpu1/cpufreq/scaling_max_freq
+ chmod 0660 /sys/devices/system/cpu/cpu1/cpufreq/scaling_max_freq
+ chown system system /sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq
+ chmod 0660 /sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq
+ chown system system /sys/devices/system/cpu/cpu2/cpufreq/scaling_max_freq
+ chmod 0660 /sys/devices/system/cpu/cpu2/cpufreq/scaling_max_freq
+ chown system system /sys/devices/system/cpu/cpu3/cpufreq/scaling_min_freq
+ chmod 0660 /sys/devices/system/cpu/cpu3/cpufreq/scaling_min_freq
+ chown system system /sys/devices/system/cpu/cpu3/cpufreq/scaling_max_freq
+ chmod 0660 /sys/devices/system/cpu/cpu3/cpufreq/scaling_max_freq
# Default Read Ahead value for sdcards
write /sys/block/mmcblk0/queue/read_ahead_kb 2048