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/*
Vertical Blank Interval support functions
Copyright (C) 2004-2007 Hans Verkuil <hverkuil@xs4all.nl>
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; either version 2 of the License, or
(at your option) any later version.
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
*/
ssize_t ivtv_write_vbi(struct ivtv *itv, const char __user *ubuf, size_t count);
void ivtv_process_vbi_data(struct ivtv *itv, struct ivtv_buffer *buf,
u64 pts_stamp, int streamtype);
int ivtv_used_line(struct ivtv *itv, int line, int field);
void ivtv_disable_vbi(struct ivtv *itv);
void ivtv_set_vbi(unsigned long arg);
void vbi_work_handler(struct ivtv *itv);
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