mirror of
https://github.com/torvalds/linux
synced 2024-10-08 20:34:15 +00:00
2504ba9f59
Based on 1 normalized pattern(s): 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 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 53 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190602204653.904365654@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
36 lines
1.4 KiB
C
36 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
*
|
|
* Copyright (C) 2005 Mike Isely <isely@pobox.com>
|
|
*/
|
|
#ifndef __PVRUSB2_STD_H
|
|
#define __PVRUSB2_STD_H
|
|
|
|
#include <linux/videodev2.h>
|
|
|
|
// Convert string describing one or more video standards into a mask of V4L
|
|
// standard bits. Return true if conversion succeeds otherwise return
|
|
// false. String is expected to be of the form: C1-x/y;C2-a/b where C1 and
|
|
// C2 are color system names (e.g. "PAL", "NTSC") and x, y, a, and b are
|
|
// modulation schemes (e.g. "M", "B", "G", etc).
|
|
int pvr2_std_str_to_id(v4l2_std_id *idPtr,const char *bufPtr,
|
|
unsigned int bufSize);
|
|
|
|
// Convert any arbitrary set of video standard bits into an unambiguous
|
|
// readable string. Return value is the number of bytes consumed in the
|
|
// buffer. The formatted string is of a form that can be parsed by our
|
|
// sibling std_std_to_id() function.
|
|
unsigned int pvr2_std_id_to_str(char *bufPtr, unsigned int bufSize,
|
|
v4l2_std_id id);
|
|
|
|
// Create an array of suitable v4l2_standard structures given a bit mask of
|
|
// video standards to support. The array is allocated from the heap, and
|
|
// the number of elements is returned in the first argument.
|
|
struct v4l2_standard *pvr2_std_create_enum(unsigned int *countptr,
|
|
v4l2_std_id id);
|
|
|
|
// Return mask of which video standard bits are valid
|
|
v4l2_std_id pvr2_std_get_usable(void);
|
|
|
|
#endif /* __PVRUSB2_STD_H */
|