Lines Matching refs:alt
498 if (gspca_dev->alt == 0)
502 pr_err("set alt 0 err %d\n", ret);
512 static struct usb_host_endpoint *alt_xfer(struct usb_host_interface *alt,
518 for (i = 0; i < alt->desc.bNumEndpoints; i++) {
519 ep = &alt->endpoint[i];
569 u32 alt;
602 pr_err("alt %d iso endp with 0 interval\n", j);
616 ep_tb->alt = j;
622 gspca_dbg(gspca_dev, D_STREAM, "alt %d bandwidth %d\n",
623 ep_tb->alt, ep_tb->bandwidth);
634 * and has more than 1 alt setting
635 * then skip the highest alt setting to spare bandwidth for the mic
641 gspca_dbg(gspca_dev, D_STREAM, "dev has usb audio, skipping highest alt\n");
762 int n, ret, xfer, alt, alt_idx;
773 gspca_dev->alt = gspca_dev->cam.bulk ? intf->num_altsetting : 0;
783 if (gspca_dev->alt != 0) {
784 gspca_dev->alt--; /* (previous version compatibility) */
785 ep = alt_xfer(&intf->altsetting[gspca_dev->alt], xfer,
788 pr_err("bad altsetting %d\n", gspca_dev->alt);
791 ep_tb[0].alt = gspca_dev->alt;
807 gspca_dev->alt = ep_tb[--alt_idx].alt;
808 alt = -1;
810 if (alt != gspca_dev->alt) {
811 alt = gspca_dev->alt;
815 alt);
819 pr_err("set alt %d err %d\n", alt, ret);
825 gspca_dbg(gspca_dev, D_STREAM, "init transfer alt %d\n",
826 alt);
828 alt_xfer(&intf->altsetting[alt], xfer,
870 pr_err("usb_submit_urb alt %d err %d\n",
871 gspca_dev->alt, ret);
878 gspca_err(gspca_dev, "alt %d - bandwidth not wide enough, trying again\n",
879 alt);
891 gspca_dev->alt = ep_tb[--alt_idx].alt;