On 10/25/2011 04:40 PM, Oliver Neukum wrote:
Am Dienstag, 25. Oktober 2011, 10:37:38 schrieb Jesse Sung:
On some machines, it seems that usb hubs do not get power while
being suspended. We can get something like this in dmesg:
usb usb2: root hub lost power or was reset
When this is the case, .reset_resume is called instead of .resume.
If .reset_resume is not set, bluetooth modules would stay in an unusable
state because the resume function is not called.
Have you experimentally verified that? This state of affairs is years
old and should result in a virtual unplug/replug cycle. What are you
seeing?
Regards
Oliver
Hi Oliver,
Humm... You're right, there is an unplug-replug cycle, but bluetooth
doesn't work until I restart bluetoothd. If the resume function is
called through .reset_resume, then bluetooth works right after resume.
Regards,
Jesse
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