Device Power Management

• Device Power Management Basics
  • Two Models for Device Power Management
  • Interfaces for Entering System Sleep States
    • Device Power Management Operations
    • Subsystem-Level Methods
    • /sys/devices/.../power/wakeup files
    • /sys/devices/.../power/control files
  • Calling Drivers to Enter and Leave System Sleep States
    • Call Sequence Guarantees
    • System Power Management Phases
    • Entering System Suspend
    • Leaving System Suspend
    • Entering Hibernation
    • Leaving Hibernation
  • Power Management Notifiers
  • Device Low-Power (suspend) States
  • Device Power Management Domains
  • Runtime Power Management
• Suspend/Hibernation Notifiers
• Device Power Management Data Types