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1cd3c0fa92
Bt819 needs the parent driver to drive a GPIO pin low and high in order to reset its fifo. Use the new notify callback for this. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
/*
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bt819.h - bt819 notifications
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Copyright (C) 2009 Hans Verkuil (hverkuil@xs4all.nl)
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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; either version 2 of the License, or
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(at your option) any later version.
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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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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _BT819_H_
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#define _BT819_H_
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#include <linux/ioctl.h>
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/* v4l2_device notifications. */
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/* Needed to reset the FIFO buffer when changing the input
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or the video standard. */
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#define BT819_FIFO_RESET_LOW _IO('b', 0)
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#define BT819_FIFO_RESET_HIGH _IO('b', 1)
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#endif
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