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Power Management
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FAQ
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1. Can i350 system support any low power mode?
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Yes, i350 can support suspend-to-RAM (STR, S3) low power state. The system can enter suspend-to-RAM state with the command.

.. prompt:: bash # auto

    # echo -n mem > /sys/power/state 

2. What trigger does it wake up from low power mode?
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

There are 3 ways to make system wake up:
    1. wake-up by on-board keypad (click volume up/down button)
    2. use RTC (user can use ``rtcwake`` command to test suspend/resume)
    3. USB wakeup support: user can wake-up system by plug-in/out USB device or click any key on USB keyboard. Precondition for USB wakeup: User needs to plug-in an OTG cable on USB0 port to translate to USB host mode.