Update README.md

README.md

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 # ThermalSolution  ![CI](https://github.com/zhen-zen/ThermalSolution/workflows/CI/badge.svg)
 
+## Minimally maintained only
+
 A driver based on [intel/thermal_daemon](https://github.com/intel/thermal_daemon) and [linux/drivers/thermal/intel/int340x_thermal](https://github.com/torvalds/linux/tree/master/drivers/thermal/intel/int340x_thermal)
 
 Currently available functions:
 - Set thermal mode by UUID
 - Adaptive configuration parsing
+- S0ix support [Use at your own risk]
+
+  By interfacing with PEPD, certain features such as press keyboard to wake and stop fan on sleep can be achieved.
+
+  However, since it's not real S3, there's a risk for overheating since the fan won't be spinning.
+
+  You can test the feature by sending `ioio -s LowPowerSolution SetCap featureMask` and edit `EnabledStates` property in Info.plist for persistence.
+
+  The definition for the bits can be found in [LowPowerSolution.hpp](https://github.com/zhen-zen/ThermalSolution/blob/master/ThermalSolution/LowPowerSolution.hpp)
+
+- Read temperature manually from `INT3403` devices