[Letux-kernel] mixed power management observations

Andreas Kemnade andreas at kemnade.info
Wed Apr 12 07:28:45 CEST 2017


On Tue, 11 Apr 2017 22:25:27 +0200
Andreas Kemnade <andreas at kemnade.info> wrote:

> Here are some observations I did with the 4.10 kernel.
> 
> Suspend with usb connected in 4.10:
> - suspend immediately fails
> - bci gets a battery removal interrupt
> after failed suspend:
> devicemode.sh reenables usb access
hmm, devicemode.sh is not in the Letux directory...
devicemode.sh = 
echo peripheral > /sys/bus/platform/devices/musb-hdrc*/mode

> setting USBFASTMCHG enables charging again (or replugging)
> 
> after some random actions, suspend with usb connected might work but with a quite high suspend current
> 

Regards,
Andreas
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