Lines Matching defs:alt
496 if (gspca_dev->alt == 0)
500 pr_err("set alt 0 err %d\n", ret);
510 static struct usb_host_endpoint *alt_xfer(struct usb_host_interface *alt,
516 for (i = 0; i < alt->desc.bNumEndpoints; i++) {
517 ep = &alt->endpoint[i];
567 u32 alt;
600 pr_err("alt %d iso endp with 0 interval\n", j);
614 ep_tb->alt = j;
620 gspca_dbg(gspca_dev, D_STREAM, "alt %d bandwidth %d\n",
621 ep_tb->alt, ep_tb->bandwidth);
632 * and has more than 1 alt setting
633 * then skip the highest alt setting to spare bandwidth for the mic
639 gspca_dbg(gspca_dev, D_STREAM, "dev has usb audio, skipping highest alt\n");
760 int n, ret, xfer, alt, alt_idx;
771 gspca_dev->alt = gspca_dev->cam.bulk ? intf->num_altsetting : 0;
781 if (gspca_dev->alt != 0) {
782 gspca_dev->alt--; /* (previous version compatibility) */
783 ep = alt_xfer(&intf->altsetting[gspca_dev->alt], xfer,
786 pr_err("bad altsetting %d\n", gspca_dev->alt);
789 ep_tb[0].alt = gspca_dev->alt;
805 gspca_dev->alt = ep_tb[--alt_idx].alt;
806 alt = -1;
808 if (alt != gspca_dev->alt) {
809 alt = gspca_dev->alt;
813 alt);
817 pr_err("set alt %d err %d\n", alt, ret);
823 gspca_dbg(gspca_dev, D_STREAM, "init transfer alt %d\n",
824 alt);
826 alt_xfer(&intf->altsetting[alt], xfer,
868 pr_err("usb_submit_urb alt %d err %d\n",
869 gspca_dev->alt, ret);
876 gspca_err(gspca_dev, "alt %d - bandwidth not wide enough, trying again\n",
877 alt);
889 gspca_dev->alt = ep_tb[--alt_idx].alt;