186 static struct emmaprp_fmt *find_format(struct v4l2_format *f)  in find_format()  argument
193 		if (fmt->fourcc == f->fmt.pix.pixelformat)  in find_format()
410 static int enum_fmt(struct v4l2_fmtdesc *f, u32 type)  in enum_fmt()  argument
420 			if (num == f->index)  in enum_fmt()
431 		strlcpy(f->description, fmt->name, sizeof(f->description) - 1);  in enum_fmt()
432 		f->pixelformat = fmt->fourcc;  in enum_fmt()
441 				   struct v4l2_fmtdesc *f)  in vidioc_enum_fmt_vid_cap()  argument
443 	return enum_fmt(f, MEM2MEM_CAPTURE);  in vidioc_enum_fmt_vid_cap()
447 				   struct v4l2_fmtdesc *f)  in vidioc_enum_fmt_vid_out()  argument
449 	return enum_fmt(f, MEM2MEM_OUTPUT);  in vidioc_enum_fmt_vid_out()
452 static int vidioc_g_fmt(struct emmaprp_ctx *ctx, struct v4l2_format *f)  in vidioc_g_fmt()  argument
457 	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);  in vidioc_g_fmt()
461 	q_data = get_q_data(ctx, f->type);  in vidioc_g_fmt()
463 	f->fmt.pix.width	= q_data->width;  in vidioc_g_fmt()
464 	f->fmt.pix.height	= q_data->height;  in vidioc_g_fmt()
465 	f->fmt.pix.field	= V4L2_FIELD_NONE;  in vidioc_g_fmt()
466 	f->fmt.pix.pixelformat	= q_data->fmt->fourcc;  in vidioc_g_fmt()
467 	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420)  in vidioc_g_fmt()
468 		f->fmt.pix.bytesperline = q_data->width * 3 / 2;  in vidioc_g_fmt()
470 		f->fmt.pix.bytesperline = q_data->width * 2;  in vidioc_g_fmt()
471 	f->fmt.pix.sizeimage	= q_data->sizeimage;  in vidioc_g_fmt()
477 				struct v4l2_format *f)  in vidioc_g_fmt_vid_out()  argument
479 	return vidioc_g_fmt(priv, f);  in vidioc_g_fmt_vid_out()
483 				struct v4l2_format *f)  in vidioc_g_fmt_vid_cap()  argument
485 	return vidioc_g_fmt(priv, f);  in vidioc_g_fmt_vid_cap()
488 static int vidioc_try_fmt(struct v4l2_format *f)  in vidioc_try_fmt()  argument
493 	if (!find_format(f))  in vidioc_try_fmt()
496 	field = f->fmt.pix.field;  in vidioc_try_fmt()
504 	f->fmt.pix.field = field;  in vidioc_try_fmt()
506 	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420) {  in vidioc_try_fmt()
507 		v4l_bound_align_image(&f->fmt.pix.width, MIN_W, MAX_W,  in vidioc_try_fmt()
508 				      W_ALIGN_YUV420, &f->fmt.pix.height,  in vidioc_try_fmt()
510 		f->fmt.pix.bytesperline = f->fmt.pix.width * 3 / 2;  in vidioc_try_fmt()
512 		v4l_bound_align_image(&f->fmt.pix.width, MIN_W, MAX_W,  in vidioc_try_fmt()
513 				      W_ALIGN_OTHERS, &f->fmt.pix.height,  in vidioc_try_fmt()
515 		f->fmt.pix.bytesperline = f->fmt.pix.width * 2;  in vidioc_try_fmt()
517 	f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;  in vidioc_try_fmt()
523 				  struct v4l2_format *f)  in vidioc_try_fmt_vid_cap()  argument
528 	fmt = find_format(f);  in vidioc_try_fmt_vid_cap()
532 			 f->fmt.pix.pixelformat);  in vidioc_try_fmt_vid_cap()
536 	return vidioc_try_fmt(f);  in vidioc_try_fmt_vid_cap()
540 				  struct v4l2_format *f)  in vidioc_try_fmt_vid_out()  argument
545 	fmt = find_format(f);  in vidioc_try_fmt_vid_out()
549 			 f->fmt.pix.pixelformat);  in vidioc_try_fmt_vid_out()
553 	return vidioc_try_fmt(f);  in vidioc_try_fmt_vid_out()
556 static int vidioc_s_fmt(struct emmaprp_ctx *ctx, struct v4l2_format *f)  in vidioc_s_fmt()  argument
562 	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);  in vidioc_s_fmt()
566 	q_data = get_q_data(ctx, f->type);  in vidioc_s_fmt()
575 	ret = vidioc_try_fmt(f);  in vidioc_s_fmt()
579 	q_data->fmt		= find_format(f);  in vidioc_s_fmt()
580 	q_data->width		= f->fmt.pix.width;  in vidioc_s_fmt()
581 	q_data->height		= f->fmt.pix.height;  in vidioc_s_fmt()
589 		f->type, q_data->width, q_data->height, q_data->fmt->fourcc);  in vidioc_s_fmt()
595 				struct v4l2_format *f)  in vidioc_s_fmt_vid_cap()  argument
599 	ret = vidioc_try_fmt_vid_cap(file, priv, f);  in vidioc_s_fmt_vid_cap()
603 	return vidioc_s_fmt(priv, f);  in vidioc_s_fmt_vid_cap()
607 				struct v4l2_format *f)  in vidioc_s_fmt_vid_out()  argument
611 	ret = vidioc_try_fmt_vid_out(file, priv, f);  in vidioc_s_fmt_vid_out()
615 	return vidioc_s_fmt(priv, f);  in vidioc_s_fmt_vid_out()