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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: "Hans Verkuil" <hverkuil@xs4all.nl>
Cc: linux-media@vger.kernel.org, sakari.ailus@maxwell.research.nokia.com
Subject: Re: [RFC/PATCH 2/6] v4l: subdev: Add device node support
Date: Wed, 7 Jul 2010 16:00:56 +0200	[thread overview]
Message-ID: <201007071600.57080.laurent.pinchart@ideasonboard.com> (raw)
In-Reply-To: <d27c4d2b115f01c7cd17714ee14576ad.squirrel@webmail.xs4all.nl>

Hi Hans,

On Wednesday 07 July 2010 14:43:08 Hans Verkuil wrote:
> > Create a device node named subdevX for every registered subdev.
> > 
> > As the device node is registered before the subdev core::s_config
> > function is called, return -EGAIN on open until initialization
> > completes.

[snip]

> I'm missing one thing here: in this code the subdev device node is always
> registered. But for most subdev drivers there is no need for a device
> node. This should really be explicitly turned on by the subdev driver
> itself.

I'll fix that with a subdev flag.

-- 
Regards,

Laurent Pinchart

  reply	other threads:[~2010-07-07 14:00 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-07 11:53 [RFC/PATCH 0/6] V4L2 subdev userspace API Laurent Pinchart
2010-07-07 11:53 ` [RFC/PATCH 1/6] v4l: subdev: Don't require core operations Laurent Pinchart
2010-07-07 12:21   ` Hans Verkuil
2010-07-07 14:05   ` Karicheri, Muralidharan
2010-07-07 11:53 ` [RFC/PATCH 2/6] v4l: subdev: Add device node support Laurent Pinchart
2010-07-07 12:30   ` Hans Verkuil
2010-07-07 12:53     ` Laurent Pinchart
2010-07-07 13:04       ` Hans Verkuil
2010-07-08 12:01         ` Laurent Pinchart
2010-07-08 12:34           ` Hans Verkuil
2010-07-07 12:43   ` Hans Verkuil
2010-07-07 14:00     ` Laurent Pinchart [this message]
2010-07-07 14:14   ` Karicheri, Muralidharan
2010-07-07 14:39     ` Sylwester Nawrocki
2010-07-07 15:08     ` Mauro Carvalho Chehab
2010-07-08  7:20     ` Pawel Osciak
2010-07-07 14:58   ` Mauro Carvalho Chehab
2010-07-07 19:44     ` Laurent Pinchart
2010-07-07 20:53       ` Mauro Carvalho Chehab
2010-07-08 12:08         ` Laurent Pinchart
2010-07-08 13:51           ` Mauro Carvalho Chehab
2010-07-09  8:57             ` Laurent Pinchart
2010-07-07 11:53 ` [RFC/PATCH 3/6] v4l: subdev: Uninline the v4l2_subdev_init function Laurent Pinchart
2010-07-07 12:31   ` Hans Verkuil
2010-07-07 11:53 ` [RFC/PATCH 4/6] v4l: subdev: Control ioctls support Laurent Pinchart
2010-07-07 12:33   ` Hans Verkuil
2010-07-07 12:35     ` Laurent Pinchart
2010-07-07 11:53 ` [RFC/PATCH 5/6] v4l: subdev: Events support Laurent Pinchart
2010-07-07 12:37   ` Hans Verkuil
2010-07-07 11:53 ` [RFC/PATCH 6/6] v4l: subdev: Generic ioctl support Laurent Pinchart
2010-07-07 12:38   ` Hans Verkuil

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