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Talk:UserGuidePowerMgmtAM35xx

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Comments on UserGuidePowerMgmtAM35xx


Drherbert said ...

What version of the PSP was this tested against?

I am running 03.00.01.06 with the am3517_evm_defconfig with no changes or modifications on the experimenters kit. I eventually need this to work on a custom board designed by my company. This feature is not working for me. I see the following in the terminal when attempting to follow the instructions:

/ # echo -n 3 > /debug/pm_debug/wakeup_timer_seconds / # echo mem > /sys/power/state PM: Syncing filesystems ... done. Freezing user space processes ... (elapsed 0.01 seconds) done. Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done. tlv320aic23_write cannot write 000 to register R9 PM: Resume timer in 3 secs (98304 ticks at 32768 ticks/sec.)

After that last printout, the board is dead, and does not wake up to keypress in the terminal or after the 3 second timeout. Any help in debugging this problem would be greatly appreciated.

Thanks

--Drherbert 12:57, 17 December 2010 (CST)