mirror of
https://github.com/torvalds/linux.git
synced 2024-12-22 19:01:37 +00:00
8ef22f794e
Expose a couple of symbols in the cx18 module so that locking of the PCM stream can be shared with the cx18-alsa module. This work was sponsored by ONELAN Limited. Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/*
|
|
* cx18 file operation functions
|
|
*
|
|
* Derived from ivtv-fileops.h
|
|
*
|
|
* Copyright (C) 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
|
|
*/
|
|
|
|
/* Testing/Debugging */
|
|
int cx18_v4l2_open(struct file *filp);
|
|
ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count,
|
|
loff_t *pos);
|
|
ssize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count,
|
|
loff_t *pos);
|
|
int cx18_v4l2_close(struct file *filp);
|
|
unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait);
|
|
int cx18_start_capture(struct cx18_open_id *id);
|
|
void cx18_stop_capture(struct cx18_open_id *id, int gop_end);
|
|
void cx18_mute(struct cx18 *cx);
|
|
void cx18_unmute(struct cx18 *cx);
|
|
|
|
/* Shared with cx18-alsa module */
|
|
int cx18_claim_stream(struct cx18_open_id *id, int type);
|
|
void cx18_release_stream(struct cx18_stream *s);
|