SUSPEND (LP1) or DEEP SLEEP (LP0)

Autonomous Machines Jetson & Embedded Systems Jetson TK1
1

Hi,

This question based on Jetson tk1 board with L4T21 ,Linux Kernel git branch l4t/l4t-r21.4

Write ‘mem’ to /sys/power/state sysfs file , will it enter into SUSPEND (LP1) or DEEP SLEEP (LP0)?

For LP0 and LP1, Please refer to Tegra_K1_DataSheet_DS06742001v02.pdf page number 15 and 16.

2

Hello,
Please check the following node:
/sys/power/suspend/mode and /sys/power/state.

To enter LP0, use:
echo lp0 > /sys/power/suspend/mode
echo mem > /sys/power/state

To enter LP1, use:
echo lp1 > /sys/power/suspend/mode
echo mem > /sys/power/state

(Use power key to resume system.)

br
Chenjian

3

Thanks for the information.