61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
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/*
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* V4L2 subdevice support.
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*
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* Copyright (C) 2010 Nokia Corporation
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*
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* Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/types.h>
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#include <linux/ioctl.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-ioctl.h>
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static int subdev_open(struct file *file)
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{
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return 0;
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}
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static int subdev_close(struct file *file)
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{
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return 0;
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}
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static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
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{
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switch (cmd) {
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default:
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return -ENOIOCTLCMD;
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}
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return 0;
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}
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static long subdev_ioctl(struct file *file, unsigned int cmd,
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unsigned long arg)
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{
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return video_usercopy(file, cmd, arg, subdev_do_ioctl);
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}
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const struct v4l2_file_operations v4l2_subdev_fops = {
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.owner = THIS_MODULE,
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.open = subdev_open,
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.unlocked_ioctl = subdev_ioctl,
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.release = subdev_close,
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};
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