245 static int try_fmt(struct v4l2_vbi_format *f, const struct bttv_tvnorm *tvnorm,  in try_fmt()  argument
267 	f->sampling_rate    = tvnorm->Fsc;  in try_fmt()
268 	f->samples_per_line = VBI_BPL;  in try_fmt()
269 	f->sample_format    = V4L2_PIX_FMT_GREY;  in try_fmt()
270 	f->offset           = VBI_OFFSET;  in try_fmt()
275 		if (0 == f->count[i]) {  in try_fmt()
283 			start = clamp(f->start[i], min_start, max_start);  in try_fmt()
285 			count = (s64) f->start[i] + f->count[i] - start;  in try_fmt()
286 			f->start[i] = start;  in try_fmt()
287 			f->count[i] = clamp(count, (s64) 1,  in try_fmt()
296 	if (0 == (f->count[0] | f->count[1])) {  in try_fmt()
298 		f->start[0] = tvnorm->vbistart[0];  in try_fmt()
299 		f->start[1] = tvnorm->vbistart[1];  in try_fmt()
300 		f->count[0] = 1;  in try_fmt()
301 		f->count[1] = 1;  in try_fmt()
304 	f->flags = 0;  in try_fmt()
306 	f->reserved[0] = 0;  in try_fmt()
307 	f->reserved[1] = 0;  in try_fmt()
312 int bttv_try_fmt_vbi_cap(struct file *file, void *f, struct v4l2_format *frt)  in bttv_try_fmt_vbi_cap()  argument
314 	struct bttv_fh *fh = f;  in bttv_try_fmt_vbi_cap()
330 int bttv_s_fmt_vbi_cap(struct file *file, void *f, struct v4l2_format *frt)  in bttv_s_fmt_vbi_cap()  argument
332 	struct bttv_fh *fh = f;  in bttv_s_fmt_vbi_cap()
378 int bttv_g_fmt_vbi_cap(struct file *file, void *f, struct v4l2_format *frt)  in bttv_g_fmt_vbi_cap()  argument
380 	struct bttv_fh *fh = f;  in bttv_g_fmt_vbi_cap()
419 void bttv_vbi_fmt_reset(struct bttv_vbi_fmt *f, unsigned int norm)  in bttv_vbi_fmt_reset()  argument
427 	f->fmt.sampling_rate    = tvnorm->Fsc;  in bttv_vbi_fmt_reset()
428 	f->fmt.samples_per_line = VBI_BPL;  in bttv_vbi_fmt_reset()
429 	f->fmt.sample_format    = V4L2_PIX_FMT_GREY;  in bttv_vbi_fmt_reset()
430 	f->fmt.offset           = VBI_OFFSET;  in bttv_vbi_fmt_reset()
431 	f->fmt.start[0]		= tvnorm->vbistart[0];  in bttv_vbi_fmt_reset()
432 	f->fmt.start[1]		= tvnorm->vbistart[1];  in bttv_vbi_fmt_reset()
433 	f->fmt.count[0]		= VBI_DEFLINES;  in bttv_vbi_fmt_reset()
434 	f->fmt.count[1]		= VBI_DEFLINES;  in bttv_vbi_fmt_reset()
435 	f->fmt.flags            = 0;  in bttv_vbi_fmt_reset()
436 	f->fmt.reserved[0]      = 0;  in bttv_vbi_fmt_reset()
437 	f->fmt.reserved[1]      = 0;  in bttv_vbi_fmt_reset()
448 	f->tvnorm               = tvnorm;  in bttv_vbi_fmt_reset()
451 	f->end                  = tvnorm->vbistart[0] * 2 + 2;  in bttv_vbi_fmt_reset()