233 static int try_fmt(struct v4l2_vbi_format *f, const struct bttv_tvnorm *tvnorm,  in try_fmt()  argument
255 	f->sampling_rate    = tvnorm->Fsc;  in try_fmt()
256 	f->samples_per_line = VBI_BPL;  in try_fmt()
257 	f->sample_format    = V4L2_PIX_FMT_GREY;  in try_fmt()
258 	f->offset           = VBI_OFFSET;  in try_fmt()
263 		if (0 == f->count[i]) {  in try_fmt()
271 			start = clamp(f->start[i], min_start, max_start);  in try_fmt()
273 			count = (s64) f->start[i] + f->count[i] - start;  in try_fmt()
274 			f->start[i] = start;  in try_fmt()
275 			f->count[i] = clamp(count, (s64) 1,  in try_fmt()
284 	if (0 == (f->count[0] | f->count[1])) {  in try_fmt()
286 		f->start[0] = tvnorm->vbistart[0];  in try_fmt()
287 		f->start[1] = tvnorm->vbistart[1];  in try_fmt()
288 		f->count[0] = 1;  in try_fmt()
289 		f->count[1] = 1;  in try_fmt()
292 	f->flags = 0;  in try_fmt()
294 	f->reserved[0] = 0;  in try_fmt()
295 	f->reserved[1] = 0;  in try_fmt()
300 int bttv_try_fmt_vbi_cap(struct file *file, void *f, struct v4l2_format *frt)  in bttv_try_fmt_vbi_cap()  argument
302 	struct bttv_fh *fh = f;  in bttv_try_fmt_vbi_cap()
318 int bttv_s_fmt_vbi_cap(struct file *file, void *f, struct v4l2_format *frt)  in bttv_s_fmt_vbi_cap()  argument
320 	struct bttv_fh *fh = f;  in bttv_s_fmt_vbi_cap()
366 int bttv_g_fmt_vbi_cap(struct file *file, void *f, struct v4l2_format *frt)  in bttv_g_fmt_vbi_cap()  argument
368 	struct bttv_fh *fh = f;  in bttv_g_fmt_vbi_cap()
407 void bttv_vbi_fmt_reset(struct bttv_vbi_fmt *f, unsigned int norm)  in bttv_vbi_fmt_reset()  argument
415 	f->fmt.sampling_rate    = tvnorm->Fsc;  in bttv_vbi_fmt_reset()
416 	f->fmt.samples_per_line = VBI_BPL;  in bttv_vbi_fmt_reset()
417 	f->fmt.sample_format    = V4L2_PIX_FMT_GREY;  in bttv_vbi_fmt_reset()
418 	f->fmt.offset           = VBI_OFFSET;  in bttv_vbi_fmt_reset()
419 	f->fmt.start[0]		= tvnorm->vbistart[0];  in bttv_vbi_fmt_reset()
420 	f->fmt.start[1]		= tvnorm->vbistart[1];  in bttv_vbi_fmt_reset()
421 	f->fmt.count[0]		= VBI_DEFLINES;  in bttv_vbi_fmt_reset()
422 	f->fmt.count[1]		= VBI_DEFLINES;  in bttv_vbi_fmt_reset()
423 	f->fmt.flags            = 0;  in bttv_vbi_fmt_reset()
424 	f->fmt.reserved[0]      = 0;  in bttv_vbi_fmt_reset()
425 	f->fmt.reserved[1]      = 0;  in bttv_vbi_fmt_reset()
436 	f->tvnorm               = tvnorm;  in bttv_vbi_fmt_reset()
439 	f->end                  = tvnorm->vbistart[0] * 2 + 2;  in bttv_vbi_fmt_reset()