drivers/media/video/v4l2-common.c - android_kernel_htc_msm8960 - Gitiles

 /*
  *	Video for Linux Two
  *
  *	A generic video device interface for the LINUX operating system
  *	using a set of device structures/vectors for low level operations.
  *
  *	This file replaces the videodev.c file that comes with the
  *	regular kernel distribution.
  *
  *	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.
  *
  * Author:	Bill Dirks <bdirks@pacbell.net>
  *		based on code by Alan Cox, <alan@cymru.net>
  *
  */

 /*
  * Video capture interface for Linux
  *
  *	A generic video device interface for the LINUX operating system
  *	using a set of device structures/vectors for low level operations.
  *
  *		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.
  *
  * Author:	Alan Cox, <alan@redhat.com>
  *
  * Fixes:
  */

 /*
  * Video4linux 1/2 integration by Justin Schoeman
  * <justin@suntiger.ee.up.ac.za>
  * 2.4 PROCFS support ported from 2.4 kernels by
  *  Iñaki García Etxebarria <garetxe@euskalnet.net>
  * Makefile fix by "W. Michael Petullo" <mike@flyn.org>
  * 2.4 devfs support ported from 2.4 kernels by
  *  Dan Merillat <dan@merillat.org>
  * Added Gerd Knorrs v4l1 enhancements (Justin Schoeman)
  */

 #include <linux/config.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/smp_lock.h>
 #include <linux/mm.h>
 #include <linux/string.h>
 #include <linux/errno.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
 #include <asm/pgtable.h>
 #include <asm/io.h>
 #include <asm/div64.h>

 #ifdef CONFIG_KMOD
 #include <linux/kmod.h>
 #endif

 #if defined(CONFIG_UST) || defined(CONFIG_UST_MODULE)
 #include <linux/ust.h>
 #endif


 #include <linux/videodev.h>

 MODULE_AUTHOR("Bill Dirks, Justin Schoeman, Gerd Knorr");
 MODULE_DESCRIPTION("misc helper functions for v4l2 device drivers");
 MODULE_LICENSE("GPL");

 /*
  *
  *	V 4 L 2   D R I V E R   H E L P E R   A P I
  *
  */

 /*
  *  Video Standard Operations (contributed by Michael Schimek)
  */

 #if 0 /* seems to have no users */
 /* This is the recommended method to deal with the framerate fields. More
    sophisticated drivers will access the fields directly. */
 unsigned int
 v4l2_video_std_fps(struct v4l2_standard *vs)
 {
 	if (vs->frameperiod.numerator > 0)
 		return (((vs->frameperiod.denominator << 8) /
 			 vs->frameperiod.numerator) +
 			(1 << 7)) / (1 << 8);
 	return 0;
 }
 EXPORT_SYMBOL(v4l2_video_std_fps);
 #endif

 /* Fill in the fields of a v4l2_standard structure according to the
    'id' and 'transmission' parameters.  Returns negative on error.  */
 int v4l2_video_std_construct(struct v4l2_standard *vs,
 			     int id, char *name)
 {
 	u32 index = vs->index;

 	memset(vs, 0, sizeof(struct v4l2_standard));
 	vs->index = index;
 	vs->id    = id;
 	if (id & (V4L2_STD_NTSC | V4L2_STD_PAL_M)) {
 		vs->frameperiod.numerator = 1001;
 		vs->frameperiod.denominator = 30000;
 		vs->framelines = 525;
 	} else {
 		vs->frameperiod.numerator = 1;
 		vs->frameperiod.denominator = 25;
 		vs->framelines = 625;
 	}
 	strlcpy(vs->name,name,sizeof(vs->name));
 	return 0;
 }


 /* ----------------------------------------------------------------- */
 /* priority handling                                                 */

 #define V4L2_PRIO_VALID(val) (val == V4L2_PRIORITY_BACKGROUND   || \
 			      val == V4L2_PRIORITY_INTERACTIVE  || \
 			      val == V4L2_PRIORITY_RECORD)

 int v4l2_prio_init(struct v4l2_prio_state *global)
 {
 	memset(global,0,sizeof(*global));
 	return 0;
 }

 int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
 		     enum v4l2_priority new)
 {
 	if (!V4L2_PRIO_VALID(new))
 		return -EINVAL;
 	if (*local == new)
 		return 0;

 	atomic_inc(&global->prios[new]);
 	if (V4L2_PRIO_VALID(*local))
 		atomic_dec(&global->prios[*local]);
 	*local = new;
 	return 0;
 }

 int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local)
 {
 	return v4l2_prio_change(global,local,V4L2_PRIORITY_DEFAULT);
 }

 int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local)
 {
 	if (V4L2_PRIO_VALID(*local))
 		atomic_dec(&global->prios[*local]);
 	return 0;
 }

 enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global)
 {
 	if (atomic_read(&global->prios[V4L2_PRIORITY_RECORD]) > 0)
 		return V4L2_PRIORITY_RECORD;
 	if (atomic_read(&global->prios[V4L2_PRIORITY_INTERACTIVE]) > 0)
 		return V4L2_PRIORITY_INTERACTIVE;
 	if (atomic_read(&global->prios[V4L2_PRIORITY_BACKGROUND]) > 0)
 		return V4L2_PRIORITY_BACKGROUND;
 	return V4L2_PRIORITY_UNSET;
 }

 int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local)
 {
 	if (*local < v4l2_prio_max(global))
 		return -EBUSY;
 	return 0;
 }


 /* ----------------------------------------------------------------- */
 /* some arrays for pretty-printing debug messages                    */

 char *v4l2_field_names[] = {
 	[V4L2_FIELD_ANY]        = "any",
 	[V4L2_FIELD_NONE]       = "none",
 	[V4L2_FIELD_TOP]        = "top",
 	[V4L2_FIELD_BOTTOM]     = "bottom",
 	[V4L2_FIELD_INTERLACED] = "interlaced",
 	[V4L2_FIELD_SEQ_TB]     = "seq-tb",
 	[V4L2_FIELD_SEQ_BT]     = "seq-bt",
 	[V4L2_FIELD_ALTERNATE]  = "alternate",
 };

 char *v4l2_type_names[] = {
 	[V4L2_BUF_TYPE_VIDEO_CAPTURE] = "video-cap",
 	[V4L2_BUF_TYPE_VIDEO_OVERLAY] = "video-over",
 	[V4L2_BUF_TYPE_VIDEO_OUTPUT]  = "video-out",
 	[V4L2_BUF_TYPE_VBI_CAPTURE]   = "vbi-cap",
 	[V4L2_BUF_TYPE_VBI_OUTPUT]    = "vbi-out",
 };

 char *v4l2_ioctl_names[256] = {
 #if __GNUC__ >= 3
 	[0 ... 255]                      = "UNKNOWN",
 #endif
 	[_IOC_NR(VIDIOC_QUERYCAP)]       = "VIDIOC_QUERYCAP",
 	[_IOC_NR(VIDIOC_RESERVED)]       = "VIDIOC_RESERVED",
 	[_IOC_NR(VIDIOC_ENUM_FMT)]       = "VIDIOC_ENUM_FMT",
 	[_IOC_NR(VIDIOC_G_FMT)]          = "VIDIOC_G_FMT",
 	[_IOC_NR(VIDIOC_S_FMT)]          = "VIDIOC_S_FMT",
 #if 0
 	[_IOC_NR(VIDIOC_G_COMP)]         = "VIDIOC_G_COMP",
 	[_IOC_NR(VIDIOC_S_COMP)]         = "VIDIOC_S_COMP",
 #endif
 	[_IOC_NR(VIDIOC_REQBUFS)]        = "VIDIOC_REQBUFS",
 	[_IOC_NR(VIDIOC_QUERYBUF)]       = "VIDIOC_QUERYBUF",
 	[_IOC_NR(VIDIOC_G_FBUF)]         = "VIDIOC_G_FBUF",
 	[_IOC_NR(VIDIOC_S_FBUF)]         = "VIDIOC_S_FBUF",
 	[_IOC_NR(VIDIOC_OVERLAY)]        = "VIDIOC_OVERLAY",
 	[_IOC_NR(VIDIOC_QBUF)]           = "VIDIOC_QBUF",
 	[_IOC_NR(VIDIOC_DQBUF)]          = "VIDIOC_DQBUF",
 	[_IOC_NR(VIDIOC_STREAMON)]       = "VIDIOC_STREAMON",
 	[_IOC_NR(VIDIOC_STREAMOFF)]      = "VIDIOC_STREAMOFF",
 	[_IOC_NR(VIDIOC_G_PARM)]         = "VIDIOC_G_PARM",
 	[_IOC_NR(VIDIOC_S_PARM)]         = "VIDIOC_S_PARM",
 	[_IOC_NR(VIDIOC_G_STD)]          = "VIDIOC_G_STD",
 	[_IOC_NR(VIDIOC_S_STD)]          = "VIDIOC_S_STD",
 	[_IOC_NR(VIDIOC_ENUMSTD)]        = "VIDIOC_ENUMSTD",
 	[_IOC_NR(VIDIOC_ENUMINPUT)]      = "VIDIOC_ENUMINPUT",
 	[_IOC_NR(VIDIOC_G_CTRL)]         = "VIDIOC_G_CTRL",
 	[_IOC_NR(VIDIOC_S_CTRL)]         = "VIDIOC_S_CTRL",
 	[_IOC_NR(VIDIOC_G_TUNER)]        = "VIDIOC_G_TUNER",
 	[_IOC_NR(VIDIOC_S_TUNER)]        = "VIDIOC_S_TUNER",
 	[_IOC_NR(VIDIOC_G_AUDIO)]        = "VIDIOC_G_AUDIO",
 	[_IOC_NR(VIDIOC_S_AUDIO)]        = "VIDIOC_S_AUDIO",
 	[_IOC_NR(VIDIOC_QUERYCTRL)]      = "VIDIOC_QUERYCTRL",
 	[_IOC_NR(VIDIOC_QUERYMENU)]      = "VIDIOC_QUERYMENU",
 	[_IOC_NR(VIDIOC_G_INPUT)]        = "VIDIOC_G_INPUT",
 	[_IOC_NR(VIDIOC_S_INPUT)]        = "VIDIOC_S_INPUT",
 	[_IOC_NR(VIDIOC_G_OUTPUT)]       = "VIDIOC_G_OUTPUT",
 	[_IOC_NR(VIDIOC_S_OUTPUT)]       = "VIDIOC_S_OUTPUT",
 	[_IOC_NR(VIDIOC_ENUMOUTPUT)]     = "VIDIOC_ENUMOUTPUT",
 	[_IOC_NR(VIDIOC_G_AUDOUT)]       = "VIDIOC_G_AUDOUT",
 	[_IOC_NR(VIDIOC_S_AUDOUT)]       = "VIDIOC_S_AUDOUT",
 	[_IOC_NR(VIDIOC_G_MODULATOR)]    = "VIDIOC_G_MODULATOR",
 	[_IOC_NR(VIDIOC_S_MODULATOR)]    = "VIDIOC_S_MODULATOR",
 	[_IOC_NR(VIDIOC_G_FREQUENCY)]    = "VIDIOC_G_FREQUENCY",
 	[_IOC_NR(VIDIOC_S_FREQUENCY)]    = "VIDIOC_S_FREQUENCY",
 	[_IOC_NR(VIDIOC_CROPCAP)]        = "VIDIOC_CROPCAP",
 	[_IOC_NR(VIDIOC_G_CROP)]         = "VIDIOC_G_CROP",
 	[_IOC_NR(VIDIOC_S_CROP)]         = "VIDIOC_S_CROP",
 	[_IOC_NR(VIDIOC_G_JPEGCOMP)]     = "VIDIOC_G_JPEGCOMP",
 	[_IOC_NR(VIDIOC_S_JPEGCOMP)]     = "VIDIOC_S_JPEGCOMP",
 	[_IOC_NR(VIDIOC_QUERYSTD)]       = "VIDIOC_QUERYSTD",
 	[_IOC_NR(VIDIOC_TRY_FMT)]        = "VIDIOC_TRY_FMT",
 };

 /* ----------------------------------------------------------------- */

 EXPORT_SYMBOL(v4l2_video_std_construct);

 EXPORT_SYMBOL(v4l2_prio_init);
 EXPORT_SYMBOL(v4l2_prio_change);
 EXPORT_SYMBOL(v4l2_prio_open);
 EXPORT_SYMBOL(v4l2_prio_close);
 EXPORT_SYMBOL(v4l2_prio_max);
 EXPORT_SYMBOL(v4l2_prio_check);

 EXPORT_SYMBOL(v4l2_field_names);
 EXPORT_SYMBOL(v4l2_type_names);
 EXPORT_SYMBOL(v4l2_ioctl_names);

 /*
  * Local variables:
  * c-basic-offset: 8
  * End:
  */
	/*
	* Video for Linux Two
	*
	* A generic video device interface for the LINUX operating system
	* using a set of device structures/vectors for low level operations.
	*
	* This file replaces the videodev.c file that comes with the
	* regular kernel distribution.
	*
	* 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.
	*
	* Author: Bill Dirks <bdirks@pacbell.net>
	* based on code by Alan Cox, <alan@cymru.net>
	*
	*/

	/*
	* Video capture interface for Linux
	*
	* A generic video device interface for the LINUX operating system
	* using a set of device structures/vectors for low level operations.
	*
	* 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.
	*
	* Author: Alan Cox, <alan@redhat.com>
	*
	* Fixes:
	*/

	/*
	* Video4linux 1/2 integration by Justin Schoeman
	* <justin@suntiger.ee.up.ac.za>
	* 2.4 PROCFS support ported from 2.4 kernels by
	* Iñaki García Etxebarria <garetxe@euskalnet.net>
	* Makefile fix by "W. Michael Petullo" <mike@flyn.org>
	* 2.4 devfs support ported from 2.4 kernels by
	* Dan Merillat <dan@merillat.org>
	* Added Gerd Knorrs v4l1 enhancements (Justin Schoeman)
	*/

	#include <linux/config.h>
	#include <linux/module.h>
	#include <linux/types.h>
	#include <linux/kernel.h>
	#include <linux/sched.h>
	#include <linux/smp_lock.h>
	#include <linux/mm.h>
	#include <linux/string.h>
	#include <linux/errno.h>
	#include <asm/uaccess.h>
	#include <asm/system.h>
	#include <asm/pgtable.h>
	#include <asm/io.h>
	#include <asm/div64.h>

	#ifdef CONFIG_KMOD
	#include <linux/kmod.h>
	#endif

	#if defined(CONFIG_UST) \|\| defined(CONFIG_UST_MODULE)
	#include <linux/ust.h>
	#endif


	#include <linux/videodev.h>

	MODULE_AUTHOR("Bill Dirks, Justin Schoeman, Gerd Knorr");
	MODULE_DESCRIPTION("misc helper functions for v4l2 device drivers");
	MODULE_LICENSE("GPL");

	/*
	*
	* V 4 L 2 D R I V E R H E L P E R A P I
	*
	*/

	/*
	* Video Standard Operations (contributed by Michael Schimek)
	*/

	#if 0 /* seems to have no users */
	/* This is the recommended method to deal with the framerate fields. More
	sophisticated drivers will access the fields directly. */
	unsigned int
	v4l2_video_std_fps(struct v4l2_standard *vs)
	{
	if (vs->frameperiod.numerator > 0)
	return (((vs->frameperiod.denominator << 8) /
	vs->frameperiod.numerator) +
	(1 << 7)) / (1 << 8);
	return 0;
	}
	EXPORT_SYMBOL(v4l2_video_std_fps);
	#endif

	/* Fill in the fields of a v4l2_standard structure according to the
	'id' and 'transmission' parameters. Returns negative on error. */
	int v4l2_video_std_construct(struct v4l2_standard *vs,
	int id, char *name)
	{
	u32 index = vs->index;

	memset(vs, 0, sizeof(struct v4l2_standard));
	vs->index = index;
	vs->id = id;
	if (id & (V4L2_STD_NTSC \| V4L2_STD_PAL_M)) {
	vs->frameperiod.numerator = 1001;
	vs->frameperiod.denominator = 30000;
	vs->framelines = 525;
	} else {
	vs->frameperiod.numerator = 1;
	vs->frameperiod.denominator = 25;
	vs->framelines = 625;
	}
	strlcpy(vs->name,name,sizeof(vs->name));
	return 0;
	}


	/* ----------------------------------------------------------------- */
	/* priority handling */

	#define V4L2_PRIO_VALID(val) (val == V4L2_PRIORITY_BACKGROUND \|\| \
	val == V4L2_PRIORITY_INTERACTIVE \|\| \
	val == V4L2_PRIORITY_RECORD)

	int v4l2_prio_init(struct v4l2_prio_state *global)
	{
	memset(global,0,sizeof(*global));
	return 0;
	}

	int v4l2_prio_change(struct v4l2_prio_state global, enum v4l2_priority local,
	enum v4l2_priority new)
	{
	if (!V4L2_PRIO_VALID(new))
	return -EINVAL;
	if (*local == new)
	return 0;

	atomic_inc(&global->prios[new]);
	if (V4L2_PRIO_VALID(*local))
	atomic_dec(&global->prios[*local]);
	*local = new;
	return 0;
	}

	int v4l2_prio_open(struct v4l2_prio_state global, enum v4l2_priority local)
	{
	return v4l2_prio_change(global,local,V4L2_PRIORITY_DEFAULT);
	}

	int v4l2_prio_close(struct v4l2_prio_state global, enum v4l2_priority local)
	{
	if (V4L2_PRIO_VALID(*local))
	atomic_dec(&global->prios[*local]);
	return 0;
	}

	enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global)
	{
	if (atomic_read(&global->prios[V4L2_PRIORITY_RECORD]) > 0)
	return V4L2_PRIORITY_RECORD;
	if (atomic_read(&global->prios[V4L2_PRIORITY_INTERACTIVE]) > 0)
	return V4L2_PRIORITY_INTERACTIVE;
	if (atomic_read(&global->prios[V4L2_PRIORITY_BACKGROUND]) > 0)
	return V4L2_PRIORITY_BACKGROUND;
	return V4L2_PRIORITY_UNSET;
	}

	int v4l2_prio_check(struct v4l2_prio_state global, enum v4l2_priority local)
	{
	if (*local < v4l2_prio_max(global))
	return -EBUSY;
	return 0;
	}


	/* ----------------------------------------------------------------- */
	/* some arrays for pretty-printing debug messages */

	char *v4l2_field_names[] = {
	[V4L2_FIELD_ANY] = "any",
	[V4L2_FIELD_NONE] = "none",
	[V4L2_FIELD_TOP] = "top",
	[V4L2_FIELD_BOTTOM] = "bottom",
	[V4L2_FIELD_INTERLACED] = "interlaced",
	[V4L2_FIELD_SEQ_TB] = "seq-tb",
	[V4L2_FIELD_SEQ_BT] = "seq-bt",
	[V4L2_FIELD_ALTERNATE] = "alternate",
	};

	char *v4l2_type_names[] = {
	[V4L2_BUF_TYPE_VIDEO_CAPTURE] = "video-cap",
	[V4L2_BUF_TYPE_VIDEO_OVERLAY] = "video-over",
	[V4L2_BUF_TYPE_VIDEO_OUTPUT] = "video-out",
	[V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap",
	[V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out",
	};

	char *v4l2_ioctl_names[256] = {
	#if __GNUC__ >= 3
	[0 ... 255] = "UNKNOWN",
	#endif
	[_IOC_NR(VIDIOC_QUERYCAP)] = "VIDIOC_QUERYCAP",
	[_IOC_NR(VIDIOC_RESERVED)] = "VIDIOC_RESERVED",
	[_IOC_NR(VIDIOC_ENUM_FMT)] = "VIDIOC_ENUM_FMT",
	[_IOC_NR(VIDIOC_G_FMT)] = "VIDIOC_G_FMT",
	[_IOC_NR(VIDIOC_S_FMT)] = "VIDIOC_S_FMT",
	#if 0
	[_IOC_NR(VIDIOC_G_COMP)] = "VIDIOC_G_COMP",
	[_IOC_NR(VIDIOC_S_COMP)] = "VIDIOC_S_COMP",
	#endif
	[_IOC_NR(VIDIOC_REQBUFS)] = "VIDIOC_REQBUFS",
	[_IOC_NR(VIDIOC_QUERYBUF)] = "VIDIOC_QUERYBUF",
	[_IOC_NR(VIDIOC_G_FBUF)] = "VIDIOC_G_FBUF",
	[_IOC_NR(VIDIOC_S_FBUF)] = "VIDIOC_S_FBUF",
	[_IOC_NR(VIDIOC_OVERLAY)] = "VIDIOC_OVERLAY",
	[_IOC_NR(VIDIOC_QBUF)] = "VIDIOC_QBUF",
	[_IOC_NR(VIDIOC_DQBUF)] = "VIDIOC_DQBUF",
	[_IOC_NR(VIDIOC_STREAMON)] = "VIDIOC_STREAMON",
	[_IOC_NR(VIDIOC_STREAMOFF)] = "VIDIOC_STREAMOFF",
	[_IOC_NR(VIDIOC_G_PARM)] = "VIDIOC_G_PARM",
	[_IOC_NR(VIDIOC_S_PARM)] = "VIDIOC_S_PARM",
	[_IOC_NR(VIDIOC_G_STD)] = "VIDIOC_G_STD",
	[_IOC_NR(VIDIOC_S_STD)] = "VIDIOC_S_STD",
	[_IOC_NR(VIDIOC_ENUMSTD)] = "VIDIOC_ENUMSTD",
	[_IOC_NR(VIDIOC_ENUMINPUT)] = "VIDIOC_ENUMINPUT",
	[_IOC_NR(VIDIOC_G_CTRL)] = "VIDIOC_G_CTRL",
	[_IOC_NR(VIDIOC_S_CTRL)] = "VIDIOC_S_CTRL",
	[_IOC_NR(VIDIOC_G_TUNER)] = "VIDIOC_G_TUNER",
	[_IOC_NR(VIDIOC_S_TUNER)] = "VIDIOC_S_TUNER",
	[_IOC_NR(VIDIOC_G_AUDIO)] = "VIDIOC_G_AUDIO",
	[_IOC_NR(VIDIOC_S_AUDIO)] = "VIDIOC_S_AUDIO",
	[_IOC_NR(VIDIOC_QUERYCTRL)] = "VIDIOC_QUERYCTRL",
	[_IOC_NR(VIDIOC_QUERYMENU)] = "VIDIOC_QUERYMENU",
	[_IOC_NR(VIDIOC_G_INPUT)] = "VIDIOC_G_INPUT",
	[_IOC_NR(VIDIOC_S_INPUT)] = "VIDIOC_S_INPUT",
	[_IOC_NR(VIDIOC_G_OUTPUT)] = "VIDIOC_G_OUTPUT",
	[_IOC_NR(VIDIOC_S_OUTPUT)] = "VIDIOC_S_OUTPUT",
	[_IOC_NR(VIDIOC_ENUMOUTPUT)] = "VIDIOC_ENUMOUTPUT",
	[_IOC_NR(VIDIOC_G_AUDOUT)] = "VIDIOC_G_AUDOUT",
	[_IOC_NR(VIDIOC_S_AUDOUT)] = "VIDIOC_S_AUDOUT",
	[_IOC_NR(VIDIOC_G_MODULATOR)] = "VIDIOC_G_MODULATOR",
	[_IOC_NR(VIDIOC_S_MODULATOR)] = "VIDIOC_S_MODULATOR",
	[_IOC_NR(VIDIOC_G_FREQUENCY)] = "VIDIOC_G_FREQUENCY",
	[_IOC_NR(VIDIOC_S_FREQUENCY)] = "VIDIOC_S_FREQUENCY",
	[_IOC_NR(VIDIOC_CROPCAP)] = "VIDIOC_CROPCAP",
	[_IOC_NR(VIDIOC_G_CROP)] = "VIDIOC_G_CROP",
	[_IOC_NR(VIDIOC_S_CROP)] = "VIDIOC_S_CROP",
	[_IOC_NR(VIDIOC_G_JPEGCOMP)] = "VIDIOC_G_JPEGCOMP",
	[_IOC_NR(VIDIOC_S_JPEGCOMP)] = "VIDIOC_S_JPEGCOMP",
	[_IOC_NR(VIDIOC_QUERYSTD)] = "VIDIOC_QUERYSTD",
	[_IOC_NR(VIDIOC_TRY_FMT)] = "VIDIOC_TRY_FMT",
	};

	/* ----------------------------------------------------------------- */

	EXPORT_SYMBOL(v4l2_video_std_construct);

	EXPORT_SYMBOL(v4l2_prio_init);
	EXPORT_SYMBOL(v4l2_prio_change);
	EXPORT_SYMBOL(v4l2_prio_open);
	EXPORT_SYMBOL(v4l2_prio_close);
	EXPORT_SYMBOL(v4l2_prio_max);
	EXPORT_SYMBOL(v4l2_prio_check);

	EXPORT_SYMBOL(v4l2_field_names);
	EXPORT_SYMBOL(v4l2_type_names);
	EXPORT_SYMBOL(v4l2_ioctl_names);

	/*
	* Local variables:
	* c-basic-offset: 8
	* End:
	*/