Initial commit

meta-fii/meta-mori/recipes-phosphor/fans/pwm-init/bin/pwm_init.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+#
+
+# Provide source directive to shellcheck.
+# shellcheck source=meta-fii/meta-mori/recipes-mori/mori-fw-utility/mori-fw/mori-lib.sh
+source /usr/libexec/mori-fw/mori-lib.sh
+
+
+# Set all pwm to 50%
+find /sys/class/hwmon/hwmon*/ -name 'pwm[1-6]' -exec bash -c 'echo "$1" && echo 127 > "$1" && cat "$1"' -- {} \;
+
+
+# Set all fans to pwm mode.
+find /sys/class/hwmon/hwmon*/ -name 'pwm*_enable' -exec bash -c 'echo "$1" && echo 1 > "$1" && cat "$1"' -- {} \;
+
+
+for i in {0..5}
+do
+    fan_pwm_rate_of_change=0x$(printf '%02x' $((8 + i)) | \
+            awk '{print $1}')
+    # Set Fan PWM Rate-of-Change Bits(bits 4:2) to 000b
+    # Register 08h to 0Dh
+    oriRegVal=$(i2cget -y -f "${I2C_FANCTRL[0]}" 0x"${I2C_FANCTRL[1]}" \
+        "$fan_pwm_rate_of_change")
+    updateVal=$((oriRegVal & 0xe3))
+    updateVal=0x$(printf "%x" $updateVal)
+    i2cset -y -f "${I2C_FANCTRL[0]}" 0x"${I2C_FANCTRL[1]}" \
+        "$fan_pwm_rate_of_change" "$updateVal"
+done
+