1 files changed, 19 insertions, 0 deletions
diff --git a/power.sh b/power.sh
new file mode 100755
index 000000000000..1385f3ee0633
--- /dev/null
+++ b/power.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+case "$1" in
+	1)
+		echo 'min_power' | tee /sys/class/scsi_host/*/link_power_management_policy
+		echo '1' | tee /sys/module/snd_hda_intel/parameters/power_save_controller \
+			/sys/module/*/parameters/power_save 2>/dev/null
+		echo 'auto' | tee /sys/bus/*/devices/*/power/control \
+			/sys/bus/*/devices/*/device/power/control
+		;;
+
+	0)
+		echo 'max_performance' | tee /sys/class/scsi_host/*/link_power_management_policy
+		echo '0' | tee /sys/module/snd_hda_intel/parameters/power_save_controller \
+			/sys/module/*/parameters/power_save 2>/dev/null
+		echo 'on' | tee /sys/bus/*/devices/*/power/control \
+			/sys/bus/*/devices/*/device/power/control
+		;;
+esac >/dev/null