Re: RH Bugzilla - Bug 1482649 - Logitech USB Unified Receiver+M570 need 'waking' up by click after kernel update

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On Fri, 8 Sep 2017, Mike Simms wrote:

> Thanks for getting back to me,
> 
> 4.11.11-300.fc26.x86_64 and 4.12.9-300.fc26.x86_64
>  are showing identical settings - autosuspend definitely on for
> device /sys/bus/usb/devices/2-1.3/2-1.3:1.0/0003:046D:C52B.0001/power
> 
> it shows in the powertop UI as good for both kernels and
> 
> Folder contents are autosuspend_delay_ms (can't open), control (auto),
> runtime_active_time (0), runtime_status (unsupported),
> runtime_suspended_time (0)

Alright, that means that both kernels are allowed to autosuspend the 
device, but apparently only 4.12 actually does so. Could you please 
confirm that with usbmon traces?

Thanks,

-- 
Jiri Kosina
SUSE Labs

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