Power Management

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Pankaj Joshi

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Nov 13, 2020, 3:45:50 PM11/13/20

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Hi,

I am working on BBB AM335x for power management stuff as i am very new to linux power management i need a bit help

i am trying to achieve following using sysfs but i didnt got sucess

i want to put my whole system into sleep state /idle state except WiFi and backlight,

when i am writting $echo mem > /sys/power/state my whole system is going into sleep state similarly i have checked with /sys/class/backlight but didnt worth.

Can someone help me how i can do it ? How i can suspend and resume particular device only ??