i2c: Add support for device alias names
[safe/jmp/linux-2.6] / drivers / media / video / v4l2-common.c
index 1f35925..e9dd996 100644 (file)
@@ -37,7 +37,7 @@
  * 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>
+ *  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>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
-#include <linux/smp_lock.h>
 #include <linux/mm.h>
 #include <linux/string.h>
 #include <linux/errno.h>
+#include <linux/i2c.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
 #include <asm/pgtable.h>
 #include <asm/io.h>
 #include <asm/div64.h>
-#include <linux/video_decoder.h>
 #define __OLD_VIDIOC_ /* To allow fixing old calls*/
 #include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.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");
@@ -86,108 +81,6 @@ MODULE_LICENSE("GPL");
  */
 
 
-char *v4l2_norm_to_name(v4l2_std_id id)
-{
-       char *name;
-       u32 myid = id;
-
-       /* HACK: ppc32 architecture doesn't have __ucmpdi2 function to handle
-          64 bit comparations. So, on that architecture, with some gcc variants,
-          compilation fails. Currently, the max value is 30bit wide.
-        */
-       BUG_ON(myid != id);
-
-       switch (myid) {
-       case V4L2_STD_PAL:
-               name="PAL";             break;
-       case V4L2_STD_PAL_BG:
-               name="PAL-BG";          break;
-       case V4L2_STD_PAL_DK:
-               name="PAL-DK";          break;
-       case V4L2_STD_PAL_B:
-               name="PAL-B";           break;
-       case V4L2_STD_PAL_B1:
-               name="PAL-B1";          break;
-       case V4L2_STD_PAL_G:
-               name="PAL-G";           break;
-       case V4L2_STD_PAL_H:
-               name="PAL-H";           break;
-       case V4L2_STD_PAL_I:
-               name="PAL-I";           break;
-       case V4L2_STD_PAL_D:
-               name="PAL-D";           break;
-       case V4L2_STD_PAL_D1:
-               name="PAL-D1";          break;
-       case V4L2_STD_PAL_K:
-               name="PAL-K";           break;
-       case V4L2_STD_PAL_M:
-               name="PAL-M";           break;
-       case V4L2_STD_PAL_N:
-               name="PAL-N";           break;
-       case V4L2_STD_PAL_Nc:
-               name="PAL-Nc";          break;
-       case V4L2_STD_PAL_60:
-               name="PAL-60";          break;
-       case V4L2_STD_NTSC:
-               name="NTSC";            break;
-       case V4L2_STD_NTSC_M:
-               name="NTSC-M";          break;
-       case V4L2_STD_NTSC_M_JP:
-               name="NTSC-M-JP";       break;
-       case V4L2_STD_NTSC_443:
-               name="NTSC-443";        break;
-       case V4L2_STD_NTSC_M_KR:
-               name="NTSC-M-KR";       break;
-       case V4L2_STD_SECAM:
-               name="SECAM";           break;
-       case V4L2_STD_SECAM_DK:
-               name="SECAM-DK";        break;
-       case V4L2_STD_SECAM_B:
-               name="SECAM-B";         break;
-       case V4L2_STD_SECAM_D:
-               name="SECAM-D";         break;
-       case V4L2_STD_SECAM_G:
-               name="SECAM-G";         break;
-       case V4L2_STD_SECAM_H:
-               name="SECAM-H";         break;
-       case V4L2_STD_SECAM_K:
-               name="SECAM-K";         break;
-       case V4L2_STD_SECAM_K1:
-               name="SECAM-K1";        break;
-       case V4L2_STD_SECAM_L:
-               name="SECAM-L";         break;
-       case V4L2_STD_SECAM_LC:
-               name="SECAM-LC";        break;
-       default:
-               name="Unknown";         break;
-       }
-
-       return name;
-}
-
-/* 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_525_60) {
-               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                                                 */
 
@@ -200,6 +93,7 @@ int v4l2_prio_init(struct v4l2_prio_state *global)
        memset(global,0,sizeof(*global));
        return 0;
 }
+EXPORT_SYMBOL(v4l2_prio_init);
 
 int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
                     enum v4l2_priority new)
@@ -215,11 +109,13 @@ int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
        *local = new;
        return 0;
 }
+EXPORT_SYMBOL(v4l2_prio_change);
 
 int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local)
 {
        return v4l2_prio_change(global,local,V4L2_PRIORITY_DEFAULT);
 }
+EXPORT_SYMBOL(v4l2_prio_open);
 
 int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local)
 {
@@ -227,6 +123,7 @@ int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local)
                atomic_dec(&global->prios[*local]);
        return 0;
 }
+EXPORT_SYMBOL(v4l2_prio_close);
 
 enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global)
 {
@@ -238,6 +135,7 @@ enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global)
                return V4L2_PRIORITY_BACKGROUND;
        return V4L2_PRIORITY_UNSET;
 }
+EXPORT_SYMBOL(v4l2_prio_max);
 
 int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local)
 {
@@ -245,800 +143,7 @@ int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local)
                return -EBUSY;
        return 0;
 }
-
-
-/* ----------------------------------------------------------------- */
-/* some arrays for pretty-printing debug messages of enum types      */
-
-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",
-       [V4L2_BUF_TYPE_SLICED_VBI_CAPTURE] = "sliced-vbi-cap",
-       [V4L2_BUF_TYPE_SLICED_VBI_OUTPUT]  = "slicec-vbi-out",
-};
-
-static char *v4l2_memory_names[] = {
-       [V4L2_MEMORY_MMAP]    = "mmap",
-       [V4L2_MEMORY_USERPTR] = "userptr",
-       [V4L2_MEMORY_OVERLAY] = "overlay",
-};
-
-#define prt_names(a,arr) (((a)>=0)&&((a)<ARRAY_SIZE(arr)))?arr[a]:"unknown"
-
-/* ------------------------------------------------------------------ */
-/* debug help functions                                               */
-
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-static const char *v4l1_ioctls[] = {
-       [_IOC_NR(VIDIOCGCAP)]       = "VIDIOCGCAP",
-       [_IOC_NR(VIDIOCGCHAN)]      = "VIDIOCGCHAN",
-       [_IOC_NR(VIDIOCSCHAN)]      = "VIDIOCSCHAN",
-       [_IOC_NR(VIDIOCGTUNER)]     = "VIDIOCGTUNER",
-       [_IOC_NR(VIDIOCSTUNER)]     = "VIDIOCSTUNER",
-       [_IOC_NR(VIDIOCGPICT)]      = "VIDIOCGPICT",
-       [_IOC_NR(VIDIOCSPICT)]      = "VIDIOCSPICT",
-       [_IOC_NR(VIDIOCCAPTURE)]    = "VIDIOCCAPTURE",
-       [_IOC_NR(VIDIOCGWIN)]       = "VIDIOCGWIN",
-       [_IOC_NR(VIDIOCSWIN)]       = "VIDIOCSWIN",
-       [_IOC_NR(VIDIOCGFBUF)]      = "VIDIOCGFBUF",
-       [_IOC_NR(VIDIOCSFBUF)]      = "VIDIOCSFBUF",
-       [_IOC_NR(VIDIOCKEY)]        = "VIDIOCKEY",
-       [_IOC_NR(VIDIOCGFREQ)]      = "VIDIOCGFREQ",
-       [_IOC_NR(VIDIOCSFREQ)]      = "VIDIOCSFREQ",
-       [_IOC_NR(VIDIOCGAUDIO)]     = "VIDIOCGAUDIO",
-       [_IOC_NR(VIDIOCSAUDIO)]     = "VIDIOCSAUDIO",
-       [_IOC_NR(VIDIOCSYNC)]       = "VIDIOCSYNC",
-       [_IOC_NR(VIDIOCMCAPTURE)]   = "VIDIOCMCAPTURE",
-       [_IOC_NR(VIDIOCGMBUF)]      = "VIDIOCGMBUF",
-       [_IOC_NR(VIDIOCGUNIT)]      = "VIDIOCGUNIT",
-       [_IOC_NR(VIDIOCGCAPTURE)]   = "VIDIOCGCAPTURE",
-       [_IOC_NR(VIDIOCSCAPTURE)]   = "VIDIOCSCAPTURE",
-       [_IOC_NR(VIDIOCSPLAYMODE)]  = "VIDIOCSPLAYMODE",
-       [_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE",
-       [_IOC_NR(VIDIOCGPLAYINFO)]  = "VIDIOCGPLAYINFO",
-       [_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE",
-       [_IOC_NR(VIDIOCGVBIFMT)]    = "VIDIOCGVBIFMT",
-       [_IOC_NR(VIDIOCSVBIFMT)]    = "VIDIOCSVBIFMT"
-};
-#define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls)
-#endif
-
-static const char *v4l2_ioctls[] = {
-       [_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",
-       [_IOC_NR(VIDIOC_G_MPEGCOMP)]       = "VIDIOC_G_MPEGCOMP",
-       [_IOC_NR(VIDIOC_S_MPEGCOMP)]       = "VIDIOC_S_MPEGCOMP",
-       [_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",
-       [_IOC_NR(VIDIOC_ENUMAUDIO)]        = "VIDIOC_ENUMAUDIO",
-       [_IOC_NR(VIDIOC_ENUMAUDOUT)]       = "VIDIOC_ENUMAUDOUT",
-       [_IOC_NR(VIDIOC_G_PRIORITY)]       = "VIDIOC_G_PRIORITY",
-       [_IOC_NR(VIDIOC_S_PRIORITY)]       = "VIDIOC_S_PRIORITY",
-#if 1
-       [_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP",
-#endif
-       [_IOC_NR(VIDIOC_LOG_STATUS)]       = "VIDIOC_LOG_STATUS",
-       [_IOC_NR(VIDIOC_G_EXT_CTRLS)]      = "VIDIOC_G_EXT_CTRLS",
-       [_IOC_NR(VIDIOC_S_EXT_CTRLS)]      = "VIDIOC_S_EXT_CTRLS",
-       [_IOC_NR(VIDIOC_TRY_EXT_CTRLS)]    = "VIDIOC_TRY_EXT_CTRLS"
-};
-#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
-
-static const char *v4l2_int_ioctls[] = {
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-       [_IOC_NR(DECODER_GET_CAPABILITIES)]    = "DECODER_GET_CAPABILITIES",
-       [_IOC_NR(DECODER_GET_STATUS)]          = "DECODER_GET_STATUS",
-       [_IOC_NR(DECODER_SET_NORM)]            = "DECODER_SET_NORM",
-       [_IOC_NR(DECODER_SET_INPUT)]           = "DECODER_SET_INPUT",
-       [_IOC_NR(DECODER_SET_OUTPUT)]          = "DECODER_SET_OUTPUT",
-       [_IOC_NR(DECODER_ENABLE_OUTPUT)]       = "DECODER_ENABLE_OUTPUT",
-       [_IOC_NR(DECODER_SET_PICTURE)]         = "DECODER_SET_PICTURE",
-       [_IOC_NR(DECODER_SET_GPIO)]            = "DECODER_SET_GPIO",
-       [_IOC_NR(DECODER_INIT)]                = "DECODER_INIT",
-       [_IOC_NR(DECODER_SET_VBI_BYPASS)]      = "DECODER_SET_VBI_BYPASS",
-       [_IOC_NR(DECODER_DUMP)]                = "DECODER_DUMP",
-#endif
-       [_IOC_NR(AUDC_SET_RADIO)]              = "AUDC_SET_RADIO",
-
-       [_IOC_NR(TUNER_SET_TYPE_ADDR)]         = "TUNER_SET_TYPE_ADDR",
-       [_IOC_NR(TUNER_SET_STANDBY)]           = "TUNER_SET_STANDBY",
-       [_IOC_NR(TDA9887_SET_CONFIG)]          = "TDA9887_SET_CONFIG",
-
-       [_IOC_NR(VIDIOC_DBG_S_REGISTER)]       = "VIDIOC_DBG_S_REGISTER",
-       [_IOC_NR(VIDIOC_DBG_G_REGISTER)]       = "VIDIOC_DBG_G_REGISTER",
-
-       [_IOC_NR(VIDIOC_INT_S_TUNER_MODE)]     = "VIDIOC_INT_S_TUNER_MODE",
-       [_IOC_NR(VIDIOC_INT_RESET)]            = "VIDIOC_INT_RESET",
-       [_IOC_NR(VIDIOC_INT_AUDIO_CLOCK_FREQ)] = "VIDIOC_INT_AUDIO_CLOCK_FREQ",
-       [_IOC_NR(VIDIOC_INT_DECODE_VBI_LINE)]  = "VIDIOC_INT_DECODE_VBI_LINE",
-       [_IOC_NR(VIDIOC_INT_S_VBI_DATA)]       = "VIDIOC_INT_S_VBI_DATA",
-       [_IOC_NR(VIDIOC_INT_G_VBI_DATA)]       = "VIDIOC_INT_G_VBI_DATA",
-       [_IOC_NR(VIDIOC_INT_G_CHIP_IDENT)]     = "VIDIOC_INT_G_CHIP_IDENT",
-       [_IOC_NR(VIDIOC_INT_I2S_CLOCK_FREQ)]   = "VIDIOC_INT_I2S_CLOCK_FREQ",
-       [_IOC_NR(VIDIOC_INT_S_STANDBY)]        = "VIDIOC_INT_S_STANDBY",
-       [_IOC_NR(VIDIOC_INT_S_AUDIO_ROUTING)]  = "VIDIOC_INT_S_AUDIO_ROUTING",
-       [_IOC_NR(VIDIOC_INT_G_AUDIO_ROUTING)]  = "VIDIOC_INT_G_AUDIO_ROUTING",
-       [_IOC_NR(VIDIOC_INT_S_VIDEO_ROUTING)]  = "VIDIOC_INT_S_VIDEO_ROUTING",
-       [_IOC_NR(VIDIOC_INT_G_VIDEO_ROUTING)]  = "VIDIOC_INT_G_VIDEO_ROUTING",
-       [_IOC_NR(VIDIOC_INT_S_CRYSTAL_FREQ)]   = "VIDIOC_INT_S_CRYSTAL_FREQ"
-};
-#define V4L2_INT_IOCTLS ARRAY_SIZE(v4l2_int_ioctls)
-
-static void v4l_print_pix_fmt (char *s, struct v4l2_pix_format *fmt)
-{
-       printk ("%s: width=%d, height=%d, format=%d, field=%s, "
-               "bytesperline=%d sizeimage=%d, colorspace=%d\n", s,
-               fmt->width,fmt->height,fmt->pixelformat,
-               prt_names(fmt->field,v4l2_field_names),
-               fmt->bytesperline,fmt->sizeimage,fmt->colorspace);
-};
-
-/* Common ioctl debug function. This function can be used by
-   external ioctl messages as well as internal V4L ioctl */
-void v4l_printk_ioctl(unsigned int cmd)
-{
-       char *dir;
-
-       switch (_IOC_DIR(cmd)) {
-       case _IOC_NONE:              dir = "--"; break;
-       case _IOC_READ:              dir = "r-"; break;
-       case _IOC_WRITE:             dir = "-w"; break;
-       case _IOC_READ | _IOC_WRITE: dir = "rw"; break;
-       default:                     dir = "*ERR*"; break;
-       }
-       switch (_IOC_TYPE(cmd)) {
-       case 'd':
-               printk("v4l2_int ioctl %s, dir=%s (0x%08x)\n",
-                      (_IOC_NR(cmd) < V4L2_INT_IOCTLS) ?
-                      v4l2_int_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd);
-               break;
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-       case 'v':
-               printk("v4l1 ioctl %s, dir=%s (0x%08x)\n",
-                      (_IOC_NR(cmd) < V4L1_IOCTLS) ?
-                      v4l1_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd);
-               break;
-#endif
-       case 'V':
-               printk("v4l2 ioctl %s, dir=%s (0x%08x)\n",
-                      (_IOC_NR(cmd) < V4L2_IOCTLS) ?
-                      v4l2_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd);
-               break;
-
-       default:
-               printk("unknown ioctl '%c', dir=%s, #%d (0x%08x)\n",
-                      _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd);
-       }
-}
-
-/* Common ioctl debug function. This function can be used by
-   external ioctl messages as well as internal V4L ioctl and its
-   arguments */
-void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
-{
-       printk(s);
-       printk(": ");
-       v4l_printk_ioctl(cmd);
-       switch (cmd) {
-       case VIDIOC_INT_G_CHIP_IDENT:
-       {
-               enum v4l2_chip_ident  *p=arg;
-               printk ("%s: chip ident=%d\n", s, *p);
-               break;
-       }
-       case VIDIOC_G_PRIORITY:
-       case VIDIOC_S_PRIORITY:
-       {
-               enum v4l2_priority *p=arg;
-               printk ("%s: priority=%d\n", s, *p);
-               break;
-       }
-       case VIDIOC_INT_S_TUNER_MODE:
-       {
-               enum v4l2_tuner_type *p=arg;
-               printk ("%s: tuner type=%d\n", s, *p);
-               break;
-       }
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-       case DECODER_SET_VBI_BYPASS:
-       case DECODER_ENABLE_OUTPUT:
-       case DECODER_GET_STATUS:
-       case DECODER_SET_OUTPUT:
-       case DECODER_SET_INPUT:
-       case DECODER_SET_GPIO:
-       case DECODER_SET_NORM:
-       case VIDIOCCAPTURE:
-       case VIDIOCSYNC:
-       case VIDIOCSWRITEMODE:
-#endif
-       case TUNER_SET_TYPE_ADDR:
-       case TUNER_SET_STANDBY:
-       case TDA9887_SET_CONFIG:
-#ifdef __OLD_VIDIOC_
-       case VIDIOC_OVERLAY_OLD:
-#endif
-       case VIDIOC_STREAMOFF:
-       case VIDIOC_G_OUTPUT:
-       case VIDIOC_S_OUTPUT:
-       case VIDIOC_STREAMON:
-       case VIDIOC_G_INPUT:
-       case VIDIOC_OVERLAY:
-       case VIDIOC_S_INPUT:
-       {
-               int *p=arg;
-               printk ("%s: value=%d\n", s, *p);
-               break;
-       }
-       case VIDIOC_G_AUDIO:
-       case VIDIOC_S_AUDIO:
-       case VIDIOC_ENUMAUDIO:
-#ifdef __OLD_VIDIOC_
-       case VIDIOC_G_AUDIO_OLD:
-#endif
-       {
-               struct v4l2_audio *p=arg;
-
-               printk ("%s: index=%d, name=%s, capability=%d, mode=%d\n",
-                       s,p->index, p->name,p->capability, p->mode);
-               break;
-       }
-       case VIDIOC_G_AUDOUT:
-       case VIDIOC_S_AUDOUT:
-       case VIDIOC_ENUMAUDOUT:
-#ifdef __OLD_VIDIOC_
-       case VIDIOC_G_AUDOUT_OLD:
-#endif
-       {
-               struct v4l2_audioout *p=arg;
-               printk ("%s: index=%d, name=%s, capability=%d, mode=%d\n", s,
-                               p->index, p->name, p->capability,p->mode);
-               break;
-       }
-       case VIDIOC_QBUF:
-       case VIDIOC_DQBUF:
-       case VIDIOC_QUERYBUF:
-       {
-               struct v4l2_buffer *p=arg;
-               struct v4l2_timecode *tc=&p->timecode;
-               printk ("%s: %02ld:%02d:%02d.%08ld index=%d, type=%s, "
-                       "bytesused=%d, flags=0x%08x, "
-                       "field=%0d, sequence=%d, memory=%s, offset/userptr=0x%08lx\n",
-                               s,
-                               (p->timestamp.tv_sec/3600),
-                               (int)(p->timestamp.tv_sec/60)%60,
-                               (int)(p->timestamp.tv_sec%60),
-                               p->timestamp.tv_usec,
-                               p->index,
-                               prt_names(p->type,v4l2_type_names),
-                               p->bytesused,p->flags,
-                               p->field,p->sequence,
-                               prt_names(p->memory,v4l2_memory_names),
-                               p->m.userptr);
-               printk ("%s: timecode= %02d:%02d:%02d type=%d, "
-                       "flags=0x%08x, frames=%d, userbits=0x%08x\n",
-                               s,tc->hours,tc->minutes,tc->seconds,
-                               tc->type, tc->flags, tc->frames, *(__u32 *) tc->userbits);
-               break;
-       }
-       case VIDIOC_QUERYCAP:
-       {
-               struct v4l2_capability *p=arg;
-               printk ("%s: driver=%s, card=%s, bus=%s, version=0x%08x, "
-                       "capabilities=0x%08x\n", s,
-                               p->driver,p->card,p->bus_info,
-                               p->version,
-                               p->capabilities);
-               break;
-       }
-       case VIDIOC_G_CTRL:
-       case VIDIOC_S_CTRL:
-#ifdef __OLD_VIDIOC_
-       case VIDIOC_S_CTRL_OLD:
-#endif
-       {
-               struct v4l2_control *p=arg;
-               printk ("%s: id=%d, value=%d\n", s, p->id, p->value);
-               break;
-       }
-       case VIDIOC_G_EXT_CTRLS:
-       case VIDIOC_S_EXT_CTRLS:
-       case VIDIOC_TRY_EXT_CTRLS:
-       {
-               struct v4l2_ext_controls *p = arg;
-               int i;
-
-               printk("%s: ctrl_class=%d, count=%d\n", s, p->ctrl_class, p->count);
-               for (i = 0; i < p->count; i++) {
-                       struct v4l2_ext_control *c = &p->controls[i];
-                       if (cmd == VIDIOC_G_EXT_CTRLS)
-                               printk("%s: id=%d\n", s, c->id);
-                       else
-                               printk("%s: id=%d, value=%d\n", s, c->id, c->value);
-               }
-               break;
-       }
-       case VIDIOC_G_CROP:
-       case VIDIOC_S_CROP:
-       {
-               struct v4l2_crop *p=arg;
-               /*FIXME: Should also show rect structs */
-               printk ("%s: type=%d\n", s, p->type);
-               break;
-       }
-       case VIDIOC_CROPCAP:
-#ifdef __OLD_VIDIOC_
-       case VIDIOC_CROPCAP_OLD:
-#endif
-       {
-               struct v4l2_cropcap *p=arg;
-               /*FIXME: Should also show rect structs */
-               printk ("%s: type=%d\n", s, p->type);
-               break;
-       }
-       case VIDIOC_INT_DECODE_VBI_LINE:
-       {
-               struct v4l2_decode_vbi_line *p=arg;
-               printk ("%s: is_second_field=%d, ptr=0x%08lx, line=%d, "
-                       "type=%d\n", s,
-                               p->is_second_field,(unsigned long)p->p,p->line,p->type);
-               break;
-       }
-       case VIDIOC_ENUM_FMT:
-       {
-               struct v4l2_fmtdesc *p=arg;
-               printk ("%s: index=%d, type=%d, flags=%d, description=%s,"
-                       " pixelformat=%d\n", s,
-                               p->index, p->type, p->flags,p->description,
-                               p->pixelformat);
-
-               break;
-       }
-       case VIDIOC_G_FMT:
-       case VIDIOC_S_FMT:
-       case VIDIOC_TRY_FMT:
-       {
-               struct v4l2_format *p=arg;
-               printk ("%s: type=%s\n", s,
-                               prt_names(p->type,v4l2_type_names));
-               switch (p->type) {
-               case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-                       v4l_print_pix_fmt (s, &p->fmt.pix);
-                       break;
-               default:
-                       break;
-               }
-       }
-       case VIDIOC_G_FBUF:
-       case VIDIOC_S_FBUF:
-       {
-               struct v4l2_framebuffer *p=arg;
-               printk ("%s: capability=%d, flags=%d, base=0x%08lx\n", s,
-                               p->capability,p->flags, (unsigned long)p->base);
-               v4l_print_pix_fmt (s, &p->fmt);
-               break;
-       }
-       case VIDIOC_G_FREQUENCY:
-       case VIDIOC_S_FREQUENCY:
-       {
-               struct v4l2_frequency *p=arg;
-               printk ("%s: tuner=%d, type=%d, frequency=%d\n", s,
-                               p->tuner,p->type,p->frequency);
-               break;
-       }
-       case VIDIOC_ENUMINPUT:
-       {
-               struct v4l2_input *p=arg;
-               printk ("%s: index=%d, name=%s, type=%d, audioset=%d, "
-                       "tuner=%d, std=%Ld, status=%d\n", s,
-                               p->index,p->name,p->type,p->audioset,
-                               p->tuner,
-                               (unsigned long long)p->std,
-                               p->status);
-               break;
-       }
-       case VIDIOC_G_JPEGCOMP:
-       case VIDIOC_S_JPEGCOMP:
-       {
-               struct v4l2_jpegcompression *p=arg;
-               printk ("%s: quality=%d, APPn=%d, APP_len=%d, COM_len=%d,"
-                       " jpeg_markers=%d\n", s,
-                               p->quality,p->APPn,p->APP_len,
-                               p->COM_len,p->jpeg_markers);
-               break;
-       }
-       case VIDIOC_G_MODULATOR:
-       case VIDIOC_S_MODULATOR:
-       {
-               struct v4l2_modulator *p=arg;
-               printk ("%s: index=%d, name=%s, capability=%d, rangelow=%d,"
-                       " rangehigh=%d, txsubchans=%d\n", s,
-                               p->index, p->name,p->capability,p->rangelow,
-                               p->rangehigh,p->txsubchans);
-               break;
-       }
-       case VIDIOC_G_MPEGCOMP:
-       case VIDIOC_S_MPEGCOMP:
-       {
-               struct v4l2_mpeg_compression *p=arg;
-               /*FIXME: Several fields not shown */
-               printk ("%s: ts_pid_pmt=%d, ts_pid_audio=%d, ts_pid_video=%d, "
-                       "ts_pid_pcr=%d, ps_size=%d, au_sample_rate=%d, "
-                       "au_pesid=%c, vi_frame_rate=%d, vi_frames_per_gop=%d, "
-                       "vi_bframes_count=%d, vi_pesid=%c\n", s,
-                               p->ts_pid_pmt,p->ts_pid_audio, p->ts_pid_video,
-                               p->ts_pid_pcr, p->ps_size, p->au_sample_rate,
-                               p->au_pesid, p->vi_frame_rate,
-                               p->vi_frames_per_gop, p->vi_bframes_count,
-                               p->vi_pesid);
-               break;
-       }
-       case VIDIOC_ENUMOUTPUT:
-       {
-               struct v4l2_output *p=arg;
-               printk ("%s: index=%d, name=%s,type=%d, audioset=%d, "
-                       "modulator=%d, std=%Ld\n",
-                               s,p->index,p->name,p->type,p->audioset,
-                               p->modulator,
-                               (unsigned long long)p->std);
-               break;
-       }
-       case VIDIOC_QUERYCTRL:
-       {
-               struct v4l2_queryctrl *p=arg;
-               printk ("%s: id=%d, type=%d, name=%s, min/max=%d/%d,"
-                       " step=%d, default=%d, flags=0x%08x\n", s,
-                               p->id,p->type,p->name,p->minimum,p->maximum,
-                               p->step,p->default_value,p->flags);
-               break;
-       }
-       case VIDIOC_QUERYMENU:
-       {
-               struct v4l2_querymenu *p=arg;
-               printk ("%s: id=%d, index=%d, name=%s\n", s,
-                               p->id,p->index,p->name);
-               break;
-       }
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-       case VIDIOC_DBG_G_REGISTER:
-       case VIDIOC_DBG_S_REGISTER:
-       {
-               struct v4l2_register *p=arg;
-               printk ("%s: i2c_id=%d, reg=%llu, val=%u\n", s,
-                               p->i2c_id,(unsigned long long)p->reg,p->val);
-
-               break;
-       }
-#endif
-       case VIDIOC_REQBUFS:
-       {
-               struct v4l2_requestbuffers *p=arg;
-               printk ("%s: count=%d, type=%s, memory=%s\n", s,
-                               p->count,
-                               prt_names(p->type,v4l2_type_names),
-                               prt_names(p->memory,v4l2_memory_names));
-               break;
-       }
-       case VIDIOC_INT_S_AUDIO_ROUTING:
-       case VIDIOC_INT_S_VIDEO_ROUTING:
-       case VIDIOC_INT_G_AUDIO_ROUTING:
-       case VIDIOC_INT_G_VIDEO_ROUTING:
-       {
-               struct v4l2_routing  *p=arg;
-               printk ("%s: input=0x%x, output=0x%x\n", s, p->input, p->output);
-               break;
-       }
-       case VIDIOC_INT_S_CRYSTAL_FREQ:
-       {
-               struct v4l2_crystal_freq *p=arg;
-               printk ("%s: freq=%u, flags=0x%x\n", s, p->freq, p->flags);
-               break;
-       }
-       case VIDIOC_G_SLICED_VBI_CAP:
-       {
-               struct v4l2_sliced_vbi_cap *p=arg;
-               printk ("%s: service_set=%d\n", s,
-                               p->service_set);
-               break;
-       }
-       case VIDIOC_INT_S_VBI_DATA:
-       case VIDIOC_INT_G_VBI_DATA:
-       {
-               struct v4l2_sliced_vbi_data  *p=arg;
-               printk ("%s: id=%d, field=%d, line=%d\n", s,
-                               p->id, p->field, p->line);
-               break;
-       }
-       case VIDIOC_ENUMSTD:
-       {
-               struct v4l2_standard *p=arg;
-               printk ("%s: index=%d, id=%Ld, name=%s, fps=%d/%d, "
-                       "framelines=%d\n", s, p->index,
-                               (unsigned long long)p->id, p->name,
-                               p->frameperiod.numerator,
-                               p->frameperiod.denominator,
-                               p->framelines);
-
-               break;
-       }
-       case VIDIOC_G_PARM:
-       case VIDIOC_S_PARM:
-#ifdef __OLD_VIDIOC_
-       case VIDIOC_S_PARM_OLD:
-#endif
-       {
-               struct v4l2_streamparm *p=arg;
-               printk ("%s: type=%d\n", s, p->type);
-
-               break;
-       }
-       case VIDIOC_G_TUNER:
-       case VIDIOC_S_TUNER:
-       {
-               struct v4l2_tuner *p=arg;
-               printk ("%s: index=%d, name=%s, type=%d, capability=%d, "
-                       "rangelow=%d, rangehigh=%d, signal=%d, afc=%d, "
-                       "rxsubchans=%d, audmode=%d\n", s,
-                               p->index, p->name, p->type,
-                               p->capability, p->rangelow,p->rangehigh,
-                               p->rxsubchans, p->audmode, p->signal,
-                               p->afc);
-               break;
-       }
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-       case VIDIOCGVBIFMT:
-       case VIDIOCSVBIFMT:
-       {
-               struct vbi_format *p=arg;
-               printk ("%s: sampling_rate=%d, samples_per_line=%d, "
-                       "sample_format=%d, start=%d/%d, count=%d/%d, flags=%d\n", s,
-                               p->sampling_rate,p->samples_per_line,
-                               p->sample_format,p->start[0],p->start[1],
-                               p->count[0],p->count[1],p->flags);
-               break;
-       }
-       case VIDIOCGAUDIO:
-       case VIDIOCSAUDIO:
-       {
-               struct video_audio *p=arg;
-               printk ("%s: audio=%d, volume=%d, bass=%d, treble=%d, "
-                       "flags=%d, name=%s, mode=%d, balance=%d, step=%d\n",
-                               s,p->audio,p->volume,p->bass, p->treble,
-                               p->flags,p->name,p->mode,p->balance,p->step);
-               break;
-       }
-       case VIDIOCGFBUF:
-       case VIDIOCSFBUF:
-       {
-               struct video_buffer *p=arg;
-               printk ("%s: base=%08lx, height=%d, width=%d, depth=%d, "
-                       "bytesperline=%d\n", s,
-                               (unsigned long) p->base, p->height, p->width,
-                               p->depth,p->bytesperline);
-               break;
-       }
-       case VIDIOCGCAP:
-       {
-               struct video_capability *p=arg;
-               printk ("%s: name=%s, type=%d, channels=%d, audios=%d, "
-                       "maxwidth=%d, maxheight=%d, minwidth=%d, minheight=%d\n",
-                               s,p->name,p->type,p->channels,p->audios,
-                               p->maxwidth,p->maxheight,p->minwidth,
-                               p->minheight);
-
-               break;
-       }
-       case VIDIOCGCAPTURE:
-       case VIDIOCSCAPTURE:
-       {
-               struct video_capture *p=arg;
-               printk ("%s: x=%d, y=%d, width=%d, height=%d, decimation=%d,"
-                       " flags=%d\n", s,
-                               p->x, p->y,p->width, p->height,
-                               p->decimation,p->flags);
-               break;
-       }
-       case VIDIOCGCHAN:
-       case VIDIOCSCHAN:
-       {
-               struct video_channel *p=arg;
-               printk ("%s: channel=%d, name=%s, tuners=%d, flags=%d, "
-                       "type=%d, norm=%d\n", s,
-                               p->channel,p->name,p->tuners,
-                               p->flags,p->type,p->norm);
-
-               break;
-       }
-       case VIDIOCSMICROCODE:
-       {
-               struct video_code *p=arg;
-               printk ("%s: loadwhat=%s, datasize=%d\n", s,
-                               p->loadwhat,p->datasize);
-               break;
-       }
-       case DECODER_GET_CAPABILITIES:
-       {
-               struct video_decoder_capability *p=arg;
-               printk ("%s: flags=%d, inputs=%d, outputs=%d\n", s,
-                               p->flags,p->inputs,p->outputs);
-               break;
-       }
-       case DECODER_INIT:
-       {
-               struct video_decoder_init *p=arg;
-               printk ("%s: len=%c\n", s, p->len);
-               break;
-       }
-       case VIDIOCGPLAYINFO:
-       {
-               struct video_info *p=arg;
-               printk ("%s: frame_count=%d, h_size=%d, v_size=%d, "
-                       "smpte_timecode=%d, picture_type=%d, "
-                       "temporal_reference=%d, user_data=%s\n", s,
-                               p->frame_count, p->h_size,
-                               p->v_size, p->smpte_timecode,
-                               p->picture_type, p->temporal_reference,
-                               p->user_data);
-               break;
-       }
-       case VIDIOCKEY:
-       {
-               struct video_key *p=arg;
-               printk ("%s: key=%s, flags=%d\n", s,
-                               p->key, p->flags);
-               break;
-       }
-       case VIDIOCGMBUF:
-       {
-               struct video_mbuf *p=arg;
-               printk ("%s: size=%d, frames=%d, offsets=0x%08lx\n", s,
-                               p->size,
-                               p->frames,
-                               (unsigned long)p->offsets);
-               break;
-       }
-       case VIDIOCMCAPTURE:
-       {
-               struct video_mmap *p=arg;
-               printk ("%s: frame=%d, height=%d, width=%d, format=%d\n", s,
-                               p->frame,
-                               p->height, p->width,
-                               p->format);
-               break;
-       }
-       case VIDIOCGPICT:
-       case VIDIOCSPICT:
-       case DECODER_SET_PICTURE:
-       {
-               struct video_picture *p=arg;
-
-               printk ("%s: brightness=%d, hue=%d, colour=%d, contrast=%d,"
-                       " whiteness=%d, depth=%d, palette=%d\n", s,
-                               p->brightness, p->hue, p->colour,
-                               p->contrast, p->whiteness, p->depth,
-                               p->palette);
-               break;
-       }
-       case VIDIOCSPLAYMODE:
-       {
-               struct video_play_mode *p=arg;
-               printk ("%s: mode=%d, p1=%d, p2=%d\n", s,
-                               p->mode,p->p1,p->p2);
-               break;
-       }
-       case VIDIOCGTUNER:
-       case VIDIOCSTUNER:
-       {
-               struct video_tuner *p=arg;
-               printk ("%s: tuner=%d, name=%s, rangelow=%ld, rangehigh=%ld, "
-                       "flags=%d, mode=%d, signal=%d\n", s,
-                               p->tuner, p->name,p->rangelow, p->rangehigh,
-                               p->flags,p->mode, p->signal);
-               break;
-       }
-       case VIDIOCGUNIT:
-       {
-               struct video_unit *p=arg;
-               printk ("%s: video=%d, vbi=%d, radio=%d, audio=%d, "
-                       "teletext=%d\n", s,
-                               p->video,p->vbi,p->radio,p->audio,p->teletext);
-               break;
-       }
-       case VIDIOCGWIN:
-       case VIDIOCSWIN:
-       {
-               struct video_window *p=arg;
-               printk ("%s: x=%d, y=%d, width=%d, height=%d, chromakey=%d,"
-                       " flags=%d, clipcount=%d\n", s,
-                               p->x, p->y,p->width, p->height,
-                               p->chromakey,p->flags,
-                               p->clipcount);
-               break;
-       }
-       case VIDIOCGFREQ:
-       case VIDIOCSFREQ:
-       {
-               unsigned long *p=arg;
-               printk ("%s: value=%lu\n", s, *p);
-               break;
-       }
-#endif
-       case VIDIOC_INT_AUDIO_CLOCK_FREQ:
-       case VIDIOC_INT_I2S_CLOCK_FREQ:
-       case VIDIOC_INT_S_STANDBY:
-       case VIDIOC_INT_RESET:
-       {
-               u32 *p=arg;
-
-               printk ("%s: value=%d\n", s, *p);
-               break;
-       }
-       case VIDIOC_G_STD:
-       case VIDIOC_S_STD:
-       case VIDIOC_QUERYSTD:
-       {
-               v4l2_std_id *p=arg;
-
-               printk ("%s: value=%Lu\n", s, (unsigned long long)*p);
-               break;
-       }
-       }
-}
+EXPORT_SYMBOL(v4l2_prio_check);
 
 /* ----------------------------------------------------------------- */
 
@@ -1067,6 +172,7 @@ int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl,
        }
        return 0;
 }
+EXPORT_SYMBOL(v4l2_ctrl_check);
 
 /* Returns NULL or a character pointer array containing the menu for
    the given control ID. The pointer array ends with a NULL pointer.
@@ -1227,6 +333,7 @@ const char **v4l2_ctrl_get_menu(u32 id)
                        return NULL;
        }
 }
+EXPORT_SYMBOL(v4l2_ctrl_get_menu);
 
 /* Fill in a struct v4l2_queryctrl */
 int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def)
@@ -1259,6 +366,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste
        case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: name = "Audio Stereo Mode Extension"; break;
        case V4L2_CID_MPEG_AUDIO_EMPHASIS:      name = "Audio Emphasis"; break;
        case V4L2_CID_MPEG_AUDIO_CRC:           name = "Audio CRC"; break;
+       case V4L2_CID_MPEG_AUDIO_MUTE:          name = "Audio Mute"; break;
        case V4L2_CID_MPEG_VIDEO_ENCODING:      name = "Video Encoding"; break;
        case V4L2_CID_MPEG_VIDEO_ASPECT:        name = "Video Aspect"; break;
        case V4L2_CID_MPEG_VIDEO_B_FRAMES:      name = "Video B Frames"; break;
@@ -1269,6 +377,8 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste
        case V4L2_CID_MPEG_VIDEO_BITRATE:       name = "Video Bitrate"; break;
        case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:  name = "Video Peak Bitrate"; break;
        case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: name = "Video Temporal Decimation"; break;
+       case V4L2_CID_MPEG_VIDEO_MUTE:          name = "Video Mute"; break;
+       case V4L2_CID_MPEG_VIDEO_MUTE_YUV:      name = "Video Mute YUV"; break;
        case V4L2_CID_MPEG_STREAM_TYPE:         name = "Stream Type"; break;
        case V4L2_CID_MPEG_STREAM_PID_PMT:      name = "Stream PMT Program ID"; break;
        case V4L2_CID_MPEG_STREAM_PID_AUDIO:    name = "Stream Audio Program ID"; break;
@@ -1284,6 +394,8 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste
        switch (qctrl->id) {
        case V4L2_CID_AUDIO_MUTE:
        case V4L2_CID_AUDIO_LOUDNESS:
+       case V4L2_CID_MPEG_AUDIO_MUTE:
+       case V4L2_CID_MPEG_VIDEO_MUTE:
        case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
        case V4L2_CID_MPEG_VIDEO_PULLDOWN:
                qctrl->type = V4L2_CTRL_TYPE_BOOLEAN;
@@ -1344,6 +456,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste
        snprintf(qctrl->name, sizeof(qctrl->name), name);
        return 0;
 }
+EXPORT_SYMBOL(v4l2_ctrl_query_fill);
 
 /* Fill in a struct v4l2_queryctrl with standard values based on
    the control ID. */
@@ -1417,6 +530,8 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl)
                                V4L2_MPEG_AUDIO_CRC_NONE,
                                V4L2_MPEG_AUDIO_CRC_CRC16, 1,
                                V4L2_MPEG_AUDIO_CRC_NONE);
+       case V4L2_CID_MPEG_AUDIO_MUTE:
+               return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
        case V4L2_CID_MPEG_VIDEO_ENCODING:
                return v4l2_ctrl_query_fill(qctrl,
                                V4L2_MPEG_VIDEO_ENCODING_MPEG_1,
@@ -1446,6 +561,10 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl)
                return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000);
        case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
                return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
+       case V4L2_CID_MPEG_VIDEO_MUTE:
+               return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
+       case V4L2_CID_MPEG_VIDEO_MUTE_YUV:  /* Init YUV (really YCbCr) to black */
+               return v4l2_ctrl_query_fill(qctrl, 0, 0xffffff, 1, 0x008080);
        case V4L2_CID_MPEG_STREAM_TYPE:
                return v4l2_ctrl_query_fill(qctrl,
                                V4L2_MPEG_STREAM_TYPE_MPEG2_PS,
@@ -1472,6 +591,7 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl)
                return -EINVAL;
        }
 }
+EXPORT_SYMBOL(v4l2_ctrl_query_fill_std);
 
 /* Fill in a struct v4l2_querymenu based on the struct v4l2_queryctrl and
    the menu. The qctrl pointer may be NULL, in which case it is ignored. */
@@ -1490,6 +610,7 @@ int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qc
        qmenu->reserved = 0;
        return 0;
 }
+EXPORT_SYMBOL(v4l2_ctrl_query_menu);
 
 /* ctrl_classes points to an array of u32 pointers, the last element is
    a NULL pointer. Each u32 array is a 0-terminated array of control IDs.
@@ -1501,16 +622,25 @@ int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qc
    When no more controls are available 0 is returned. */
 u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id)
 {
-       u32 ctrl_class;
+       u32 ctrl_class = V4L2_CTRL_ID2CLASS(id);
        const u32 *pctrl;
 
-       /* if no query is desired, then just return the control ID */
-       if ((id & V4L2_CTRL_FLAG_NEXT_CTRL) == 0)
-               return id;
        if (ctrl_classes == NULL)
                return 0;
+
+       /* if no query is desired, then check if the ID is part of ctrl_classes */
+       if ((id & V4L2_CTRL_FLAG_NEXT_CTRL) == 0) {
+               /* find class */
+               while (*ctrl_classes && V4L2_CTRL_ID2CLASS(**ctrl_classes) != ctrl_class)
+                       ctrl_classes++;
+               if (*ctrl_classes == NULL)
+                       return 0;
+               pctrl = *ctrl_classes;
+               /* find control ID */
+               while (*pctrl && *pctrl != id) pctrl++;
+               return *pctrl ? id : 0;
+       }
        id &= V4L2_CTRL_ID_MASK;
-       ctrl_class = V4L2_CTRL_ID2CLASS(id);
        id++;   /* select next control */
        /* find first class that matches (or is greater than) the class of
           the ID */
@@ -1531,33 +661,77 @@ u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id)
                return 0;
        return **ctrl_classes;
 }
+EXPORT_SYMBOL(v4l2_ctrl_next);
+
+int v4l2_chip_match_host(u32 match_type, u32 match_chip)
+{
+       switch (match_type) {
+       case V4L2_CHIP_MATCH_HOST:
+               return match_chip == 0;
+       default:
+               return 0;
+       }
+}
+EXPORT_SYMBOL(v4l2_chip_match_host);
+
+#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
+int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 match_type, u32 match_chip)
+{
+       switch (match_type) {
+       case V4L2_CHIP_MATCH_I2C_DRIVER:
+               return (c != NULL && c->driver != NULL && c->driver->id == match_chip);
+       case V4L2_CHIP_MATCH_I2C_ADDR:
+               return (c != NULL && c->addr == match_chip);
+       default:
+               return 0;
+       }
+}
+EXPORT_SYMBOL(v4l2_chip_match_i2c_client);
+
+int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_chip_ident *chip,
+               u32 ident, u32 revision)
+{
+       if (!v4l2_chip_match_i2c_client(c, chip->match_type, chip->match_chip))
+               return 0;
+       if (chip->ident == V4L2_IDENT_NONE) {
+               chip->ident = ident;
+               chip->revision = revision;
+       }
+       else {
+               chip->ident = V4L2_IDENT_AMBIGUOUS;
+               chip->revision = 0;
+       }
+       return 0;
+}
+EXPORT_SYMBOL(v4l2_chip_ident_i2c_client);
 
 /* ----------------------------------------------------------------- */
 
-EXPORT_SYMBOL(v4l2_norm_to_name);
-EXPORT_SYMBOL(v4l2_video_std_construct);
+/* Helper function for I2C legacy drivers */
 
-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);
+int v4l2_i2c_attach(struct i2c_adapter *adapter, int address, struct i2c_driver *driver,
+               const char *name,
+               int (*probe)(struct i2c_client *, const struct i2c_device_id *))
+{
+       struct i2c_client *client;
+       int err;
 
-EXPORT_SYMBOL(v4l2_field_names);
-EXPORT_SYMBOL(v4l2_type_names);
-EXPORT_SYMBOL(v4l_printk_ioctl);
-EXPORT_SYMBOL(v4l_printk_ioctl_arg);
+       client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+       if (!client)
+               return -ENOMEM;
 
-EXPORT_SYMBOL(v4l2_ctrl_next);
-EXPORT_SYMBOL(v4l2_ctrl_check);
-EXPORT_SYMBOL(v4l2_ctrl_get_menu);
-EXPORT_SYMBOL(v4l2_ctrl_query_menu);
-EXPORT_SYMBOL(v4l2_ctrl_query_fill);
-EXPORT_SYMBOL(v4l2_ctrl_query_fill_std);
+       client->addr = address;
+       client->adapter = adapter;
+       client->driver = driver;
+       strlcpy(client->name, name, sizeof(client->name));
 
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
+       err = probe(client, NULL);
+       if (err == 0) {
+               i2c_attach_client(client);
+       } else {
+               kfree(client);
+       }
+       return err != -ENOMEM ? 0 : err;
+}
+EXPORT_SYMBOL(v4l2_i2c_attach);
+#endif