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Diffstat (limited to 'drivers/media/video/v4l2-common.c')
-rw-r--r--drivers/media/video/v4l2-common.c92
1 files changed, 87 insertions, 5 deletions
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index 78d28b03ec93..b87d571e0463 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -87,6 +87,85 @@ 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,
@@ -184,11 +263,13 @@ char *v4l2_field_names[] = {
};
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_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[] = {
@@ -1451,6 +1532,7 @@ u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id)
/* ----------------------------------------------------------------- */
+EXPORT_SYMBOL(v4l2_norm_to_name);
EXPORT_SYMBOL(v4l2_video_std_construct);
EXPORT_SYMBOL(v4l2_prio_init);
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