1 files changed, 23 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-ast2500/recipes-phosphor/fans/fan-default-speed/set_fan_speeds.py b/meta-openbmc-mods/meta-ast2500/recipes-phosphor/fans/fan-default-speed/set_fan_speeds.py
new file mode 100644
index 000000000..70ba64799
--- /dev/null
+++ b/meta-openbmc-mods/meta-ast2500/recipes-phosphor/fans/fan-default-speed/set_fan_speeds.py
@@ -0,0 +1,23 @@
+#!/usr/bin/python
+import os
+import glob
+import time
+import sys
+
+HWMON_DIR = "/sys/class/hwmon/hwmon0"
+
+count = 0
+inputs = None
+while not inputs:
+    count += 1
+    if count > 20:
+        print("pwm missing!")
+        sys.exit(0)
+
+    inputs = glob.glob(os.path.join(HWMON_DIR, "pwm*"))
+    time.sleep(5)
+
+inputs = glob.glob(os.path.join(HWMON_DIR, "pwm*"))
+for pwm in inputs:
+    with open(pwm, 'w') as f:
+        f.write(sys.argv[1])