Turn off LEDs on a Lenovo p72

ledoff.sh

# echo version, requires sudo
echo 0 off > /proc/acpi/ibm/led  # power button led
echo 10 off > /proc/acpi/ibm/led # lid led
echo 0 > /sys/devices/platform/thinkpad_acpi/leds/platform::micmute/brightness # mic mute led
echo 0 > /sys/devices/platform/thinkpad_acpi/leds/platform::mute/brightness # mute led
echo 0 > /sys/devices/pci0000:00/0000:00:14.3/leds/phy0-led/brightness # wifi led

# echo version with sudo
sudo bash -c "
  echo 0 off > /proc/acpi/ibm/led  # power button led
  echo 10 off > /proc/acpi/ibm/led # lid led
  echo 0 > /sys/devices/platform/thinkpad_acpi/leds/platform::micmute/brightness # mic mute led
  echo 0 > /sys/devices/platform/thinkpad_acpi/leds/platform::mute/brightness # mute led
  echo 0 > /sys/devices/pci0000:00/0000:00:14.3/leds/phy0-led/brightness # wifi led
"

# herestring cat version, also requires sudo
cat <<<"0 off" > /proc/acpi/ibm/led # power button led
cat <<<"10 off" > /proc/acpi/ibm/led # lid led
cat <<<0 > /sys/devices/platform/thinkpad_acpi/leds/platform::micmute/brightness # mic mute led
cat <<<0 > /sys/devices/platform/thinkpad_acpi/leds/platform::mute/brightness # mute led
cat <<<0 > /sys/devices/pci0000:00/0000:00:14.3/leds/phy0-led/brightness # wifi led

# tee version with sudo
sudo tee /proc/acpi/ibm/led <<<"0 off" # power button led
sudo tee /proc/acpi/ibm/led <<<"10 off" # lid led
sudo tee /sys/devices/platform/thinkpad_acpi/leds/platform::micmute/brightness <<<0 # mic mute led
sudo tee /sys/devices/platform/thinkpad_acpi/leds/platform::mute/brightness <<<0 # mute led
sudo tee /sys/devices/pci0000:00/0000:00:14.3/leds/phy0-led/brightness <<<0 # wifi led

# tee version with output suppressed
sudo bash -c '
  tee /proc/acpi/ibm/led <<<"0 off" # power button led
  tee /proc/acpi/ibm/led <<<"10 off" # lid led
  tee /sys/devices/platform/thinkpad_acpi/leds/platform::micmute/brightness <<<0 # mic mute led
  tee /sys/devices/platform/thinkpad_acpi/leds/platform::mute/brightness <<<0 # mute led
  tee /sys/devices/pci0000:00/0000:00:14.3/leds/phy0-led/brightness <<<0 # wifi led
' >/dev/null