From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Ming Lei <tom.leiming@gmail.com>
Cc: Ming Lei <ming.lei@canonical.com>,
linux-media@vger.kernel.org, linux-usb@vger.kernel.org,
Jeremy Kerr <jeremy.kerr@canonical.com>,
Mauro Carvalho Chehab <mchehab@redhat.com>
Subject: Re: [PATCH] uvcvideo: add fix suspend/resume quirk for Microdia camera
Date: Wed, 13 Jul 2011 10:59:34 +0200 [thread overview]
Message-ID: <201107131059.34753.laurent.pinchart@ideasonboard.com> (raw)
In-Reply-To: <CACVXFVPs20+0ZFcrJpwDt+6jaaniYc9ZgSaKpkCyVAcGM+ZQmA@mail.gmail.com>
On Wednesday 13 July 2011 10:51:11 Ming Lei wrote:
> On Wed, Jul 13, 2011 at 4:38 PM, Laurent Pinchart wrote:
> > They can still work, but not optimally, as they will be reset instead of
> > suspended/resumed. That's not acceptable.
>
> If the "reset" you mentioned is usb bus reset signal, I think unbind&bind
> will not produce the reset signal.
Sorry, I haven't been clear. If you remove the suspend/resume handlers from
the driver, the USB core will unbind and rebind the driver instead of
suspending/resuming the device properly. As this will affect other UVC devices
as well, that's not a good solution.
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2011-07-13 8:59 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-11 9:48 [PATCH] uvcvideo: add fix suspend/resume quirk for Microdia camera Ming Lei
2011-07-11 10:44 ` Laurent Pinchart
2011-07-12 1:21 ` Ming Lei
2011-07-12 10:52 ` Ming Lei
2011-07-12 15:44 ` Alan Stern
2011-07-13 7:43 ` Ming Lei
2011-07-13 15:20 ` Alan Stern
2011-07-13 15:30 ` Ming Lei
2011-07-13 15:59 ` Alan Stern
2011-07-14 9:16 ` Ming Lei
2011-07-14 15:03 ` Alan Stern
2011-07-15 2:08 ` Ming Lei
2011-07-15 13:53 ` Ming Lei
2011-07-15 14:27 ` Alan Stern
2011-07-15 14:44 ` Ming Lei
2011-07-15 15:25 ` Alan Stern
2011-07-16 3:51 ` [PATCH] uvcvideo: add SetInterface(0) in .reset_resume handler Ming Lei
2011-07-31 15:38 ` Laurent Pinchart
2011-08-01 0:56 ` Ming Lei
2011-08-01 11:26 ` Laurent Pinchart
2011-08-01 17:39 ` Mauro Carvalho Chehab
2011-08-01 22:19 ` [GIT PATCH FOR v3.1] uvcvideo: Set alternate setting 0 on resume if the bus has been reset Laurent Pinchart
2011-07-13 8:35 ` [PATCH] uvcvideo: add fix suspend/resume quirk for Microdia camera Ming Lei
2011-07-13 8:38 ` Laurent Pinchart
2011-07-13 8:51 ` Ming Lei
2011-07-13 8:55 ` Oliver Neukum
2011-07-13 8:59 ` Laurent Pinchart [this message]
2011-07-13 9:07 ` Ming Lei
2011-07-11 10:51 ` Sergei Shtylyov
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