fix: reference ideapad_laptop kernel module in Readme

Author: be-west

README.md

@@ -646,9 +646,9 @@ echo 95 > /sys/class/power_supply/BAT0/charge_start_threshold
 echo 100 > /sys/class/power_supply/BAT0/charge_stop_threshold
 ```
 
-### Lenovo_laptop conservation mode
+### Ideapad conservation mode
 
-this works only with `lenovo_laptop` kernel module compatable laptops.  
+This works only with laptops that have the `ideapad_laptop` kernel module.  
 
 add `ideapad_laptop_conservation_mode = true` to your `auto-cpufreq.conf` file
 

auto_cpufreq/battery_scripts/ideapad_laptop.py

@@ -3,6 +3,8 @@
 from typing import Any
 from auto_cpufreq.battery_scripts.shared import BatteryDevice
 
+# The Arch wiki suggests this path may vary on different models, but TLP uses
+# the same hardcoded value
 CONSERVATION_MODE_FILE = "/sys/bus/platform/drivers/ideapad_acpi/VPC2004:00/conservation_mode"
 
 class IdeapadBatteryDevice(BatteryDevice):