528 /* compute the minimum bandwidth for the current transfer */
531 	u32 bandwidth;  in which_bandwidth()  local
534 	bandwidth = gspca_dev->pixfmt.sizeimage;  in which_bandwidth()
538 	    bandwidth < gspca_dev->pixfmt.width *  in which_bandwidth()
540 		bandwidth = bandwidth * 3 / 8;	/* 0.375 */  in which_bandwidth()
547 		bandwidth *= parm.parm.capture.timeperframe.denominator;  in which_bandwidth()
548 		bandwidth /= parm.parm.capture.timeperframe.numerator;  in which_bandwidth()
555 			bandwidth *= 15;		/* 15 fps */  in which_bandwidth()
557 			bandwidth *= 30;		/* 30 fps */  in which_bandwidth()
560 	gspca_dbg(gspca_dev, D_STREAM, "min bandwidth: %d\n", bandwidth);  in which_bandwidth()
561 	return bandwidth;  in which_bandwidth()
568 	u32 bandwidth;  member
573  * and compute the minimum bandwidth for the image transfer
581 	u32 bandwidth, last_bw;  in build_isoc_ep_tb()  local
591 		ep_tb->bandwidth = 2000 * 2000 * 120;  in build_isoc_ep_tb()
605 			bandwidth = psize * 1000;  in build_isoc_ep_tb()
608 				bandwidth *= 8;  in build_isoc_ep_tb()
609 			bandwidth /= 1 << (ep->desc.bInterval - 1);  in build_isoc_ep_tb()
610 			if (bandwidth <= last_bw)  in build_isoc_ep_tb()
612 			if (bandwidth < ep_tb->bandwidth) {  in build_isoc_ep_tb()
613 				ep_tb->bandwidth = bandwidth;  in build_isoc_ep_tb()
620 		gspca_dbg(gspca_dev, D_STREAM, "alt %d bandwidth %d\n",  in build_isoc_ep_tb()
621 			  ep_tb->alt, ep_tb->bandwidth);  in build_isoc_ep_tb()
622 		last_bw = ep_tb->bandwidth;  in build_isoc_ep_tb()
631 	 * uses the max full speed iso bandwidth; and  in build_isoc_ep_tb()
633 	 * then skip the highest alt setting to spare bandwidth for the mic  in build_isoc_ep_tb()
644 	/* get the requested bandwidth and start at the highest atlsetting */  in build_isoc_ep_tb()
645 	bandwidth = which_bandwidth(gspca_dev);  in build_isoc_ep_tb()
649 		if (ep_tb->bandwidth < bandwidth)  in build_isoc_ep_tb()
792 		/* else, compute the minimum bandwidth  in gspca_init_transfer()
873 		/* the bandwidth is not wide enough  in gspca_init_transfer()
876 		gspca_err(gspca_dev, "alt %d - bandwidth not wide enough, trying again\n",  in gspca_init_transfer()