1 files changed, 47 insertions, 0 deletions
diff --git a/meta-raptor/meta-asus/recipes-core/fan-ctrl/fan-ctrl/set_fan_speed.sh b/meta-raptor/meta-asus/recipes-core/fan-ctrl/fan-ctrl/set_fan_speed.sh
new file mode 100755
index 0000000..99be901
--- /dev/null
+++ b/meta-raptor/meta-asus/recipes-core/fan-ctrl/fan-ctrl/set_fan_speed.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+#
+# Copyright 2017 Raptor Engineering, LLC
+# Copyright 2015-present Facebook. All Rights Reserved.
+#
+# This program file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program in a file named COPYING; if not, write to the
+# Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor,
+# Boston, MA 02110-1301 USA
+#
+usage() {
+    echo "Usage: $0 <PERCENT (0..100)> <Fan Unit (1..8)> " >&2
+}
+
+FAN_DIR=/sys/class/i2c-adapter/i2c-1/1-002f
+
+set -e
+
+if [ "$#" -ne 2 ] && [ "$#" -ne 1 ]; then
+    usage
+    exit 1
+fi
+
+if [ "$#" -eq 1 ]; then
+    FANS="1 2 3 4 5 6 7 8"
+else
+    FANS="$2"
+fi
+
+# Convert the percentage to our 1/256th unit (0-255).
+unit=$(( ( $1 * 255 ) / 100 ))
+
+for fan in $FANS; do
+    pwm="${FAN_DIR}/pwm${fan}"
+    echo "$unit" > $pwm
+    echo "Successfully set fan ${fan} speed to $1%"
+done