From: Jesse Sung <jesse.sung@canonical.com>
To: Oliver Neukum <oneukum@suse.de>
Cc: linux-bluetooth@vger.kernel.org, 812132@bugs.launchpad.net
Subject: Re: [PATCH] Bluetooth: set reset_resume handler
Date: Tue, 25 Oct 2011 19:20:13 +0800 [thread overview]
Message-ID: <4EA69B6D.3000905@canonical.com> (raw)
In-Reply-To: <201110251040.14016.oneukum@suse.de>
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
next prev parent reply other threads:[~2011-10-25 11:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-25 8:37 [PATCH] Bluetooth: set reset_resume handler Jesse Sung
2011-10-25 8:40 ` Oliver Neukum
2011-10-25 11:20 ` Jesse Sung [this message]
2011-10-25 11:43 ` Oliver Neukum
2011-10-25 14:48 ` Jesse Sung
2011-10-25 18:29 ` Oliver Neukum
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