usb_alt 364 drivers/media/usb/cpia2/cpia2.h struct v4l2_ctrl *usb_alt; usb_alt 937 drivers/media/usb/cpia2/cpia2_v4l.c v4l2_ctrl_grab(cam->usb_alt, true); usb_alt 954 drivers/media/usb/cpia2/cpia2_v4l.c v4l2_ctrl_grab(cam->usb_alt, false); usb_alt 1101 drivers/media/usb/cpia2/cpia2_v4l.c cam->usb_alt = v4l2_ctrl_new_custom(hdl, &cpia2_usb_alt, NULL);