[Power Management]:How do I move the system to idle mode

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HI,

 

I am working on optimizing the power consumption on the system.

 

I need to detect when the system is idle and move it to standby state.

 

And when there is an interrupt, it needs to be brought back to run state.

 

I have an application which is waiting on a message. When it gets idle message, it needs to move the system to idle state.

 

I have two questions:

1. How do we detect the idle mode.

2. Can I call the acpi_suspend() function from my driver to move the system to different states. If not what is the preferred way.

 

Sridhar.

 

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