disable-mouse-wakeup.sh

#!/bin/bash

# Disable Mouse Wake-up Script
# Prevents mice from waking laptop while preserving keyboard wake-up

set -e

UDEV_RULE_FILE="/etc/udev/rules.d/90-disable-mouse-wakeup.rules"

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# Check if running as root
if [[ $EUID -eq 0 ]]; then
    echo -e "${RED}Error: Don't run this script as root. It will use sudo when needed.${NC}"
    exit 1
fi

# Check if sudo is available
if ! command -v sudo &> /dev/null; then
    echo -e "${RED}Error: sudo is required but not found.${NC}"
    exit 1
fi

echo " Disable Mouse Wake-up Script"
echo

# Find connected mice
echo "Scanning for USB mice..."
mice_found=()
while IFS= read -r line; do
    if [[ $line =~ Bus\ ([0-9]+)\ Device\ ([0-9]+):\ ID\ ([0-9a-f]{4}):([0-9a-f]{4})\ (.+) ]]; then
        vendor_id="${BASH_REMATCH[3]}"
        product_id="${BASH_REMATCH[4]}"
        device_name="${BASH_REMATCH[5]}"

        # Check if it's likely a mouse (common mouse vendors/names)
        if [[ $device_name =~ [Mm]ouse ]] || \
           [[ $vendor_id == "046d" ]] || \
           [[ $vendor_id == "1bcf" ]] || \
           [[ $vendor_id == "258a" ]] || \
           [[ $vendor_id == "093a" ]] || \
           [[ $device_name =~ [Ww]ireless.*[Dd]ongle ]] || \
           [[ $device_name =~ [Rr]eceiver ]]; then
            mice_found+=("$vendor_id:$product_id $device_name")
            echo -e "${GREEN}Found mouse:${NC} $device_name (${vendor_id}:${product_id})"
        fi
    fi
done < <(lsusb)

if [[ ${#mice_found[@]} -eq 0 ]]; then
    echo -e "${YELLOW}No USB mice detected.${NC}"
    echo "Note: Built-in trackpads are usually handled differently."
    exit 0
fi

echo
echo "This script will:"
echo "1. Immediately disable wake-up for currently connected mice"
echo "2. Create a udev rule to automatically disable wake-up for these mice when plugged in"
echo "3. Preserve keyboard wake-up functionality"
echo

read -p "Continue? (y/N): " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
    echo "Cancelled."
    exit 0
fi

# Disable wake-up for currently connected mice
echo
echo "Disabling wake-up for currently connected mice..."
for device_path in /sys/bus/usb/devices/*/power/wakeup; do
    if [[ -f "$device_path" ]]; then
        device_dir=$(dirname "$device_path")
        if [[ -f "$device_dir/idVendor" && -f "$device_dir/idProduct" ]]; then
            vendor=$(cat "$device_dir/idVendor")
            product=$(cat "$device_dir/idProduct")

            # Check if this device is one of our detected mice
            for mouse in "${mice_found[@]}"; do
                if [[ $mouse =~ ^${vendor}:${product} ]]; then
                    current_wakeup=$(cat "$device_path")
                    if [[ $current_wakeup == "enabled" ]]; then
                        echo "Disabling wake-up for $vendor:$product"
                        echo 'disabled' | sudo tee "$device_path" > /dev/null
                    fi
                fi
            done
        fi
    fi
done

# Create udev rule
echo
echo "Creating persistent udev rule..."
if [[ -f "$UDEV_RULE_FILE" ]]; then
    echo -e "${YELLOW}Warning: $UDEV_RULE_FILE already exists. Backing up to ${UDEV_RULE_FILE}.backup${NC}"
    sudo cp "$UDEV_RULE_FILE" "${UDEV_RULE_FILE}.backup"
fi

# Generate udev rule content
udev_content="# Disable mouse wake-up - generated by disable-mouse-wakeup.sh"$'\n'
udev_content+="# This prevents mice from waking the system while preserving keyboard wake-up"$'\n'$'\n'

for mouse in "${mice_found[@]}"; do
    if [[ $mouse =~ ^([0-9a-f]{4}):([0-9a-f]{4})\ (.+) ]]; then
        vendor_id="${BASH_REMATCH[1]}"
        product_id="${BASH_REMATCH[2]}"
        device_name="${BASH_REMATCH[3]}"
        udev_content+="# $device_name"$'\n'
        udev_content+="SUBSYSTEM==\"usb\", ATTR{idVendor}==\"$vendor_id\", ATTR{idProduct}==\"$product_id\", ATTR{power/wakeup}=\"disabled\""$'\n'$'\n'
    fi
done

echo "$udev_content" | sudo tee "$UDEV_RULE_FILE" > /dev/null

# Reload udev rules
echo "Reloading udev rules..."
sudo udevadm control --reload-rules

echo
echo -e "${GREEN} Success!${NC}"
echo
echo "Changes made:"
echo "- Disabled wake-up for currently connected mice"
echo "- Created $UDEV_RULE_FILE for persistence"
echo
echo "Your mice will no longer wake the laptop, but keyboards still will."
echo "To undo: sudo rm $UDEV_RULE_FILE && sudo udevadm control --reload-rules"