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Diffstat (limited to 'drivers/media/video/v4l2-subdev.c')
-rw-r--r--drivers/media/video/v4l2-subdev.c41
1 files changed, 28 insertions, 13 deletions
diff --git a/drivers/media/video/v4l2-subdev.c b/drivers/media/video/v4l2-subdev.c
index 037aa28a5ed..460b33697c9 100644
--- a/drivers/media/video/v4l2-subdev.c
+++ b/drivers/media/video/v4l2-subdev.c
@@ -1,22 +1,23 @@
/*
- * V4L2 subdevice support.
+ * V4L2 sub-device
*
- * Copyright (C) 2010 Nokia Corporation
+ * Copyright (C) 2010 Nokia Corporation
*
- * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ * Sakari Ailus <sakari.ailus@iki.fi>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/types.h>
@@ -58,3 +59,17 @@ const struct v4l2_file_operations v4l2_subdev_fops = {
.unlocked_ioctl = subdev_ioctl,
.release = subdev_close,
};
+
+void v4l2_subdev_init(struct v4l2_subdev *sd, const struct v4l2_subdev_ops *ops)
+{
+ INIT_LIST_HEAD(&sd->list);
+ BUG_ON(!ops);
+ sd->ops = ops;
+ sd->v4l2_dev = NULL;
+ sd->flags = 0;
+ sd->name[0] = '\0';
+ sd->grp_id = 0;
+ sd->dev_priv = NULL;
+ sd->host_priv = NULL;
+}
+EXPORT_SYMBOL(v4l2_subdev_init);