cpia2_set_gpio    443 drivers/media/usb/cpia2/cpia2.h int cpia2_set_gpio(struct camera_data *cam, unsigned char setting);
cpia2_set_gpio    633 drivers/media/usb/cpia2/cpia2_v4l.c 		return cpia2_set_gpio(cam, (cam->top_light->val << 6) |