Revision 15775: 59_HCS: Fix switching the switched DEVICE always off when switching ...

[System]

Revision 15775: 59_HCS: Fix switching the switched DEVICE always off when switching ...

59_HCS: Fix switching the switched DEVICE always off when switching HCS off.
- Keep the switched DEVICE as internal rather than as reading;
- Some variable renaming, reduce condition complexity in state setting.

Source: Revision 15775: 59_HCS: Fix switching the switched DEVICE always off when switching ...