Commit 8dd07ef1 authored by Jean-Francois Moine's avatar Jean-Francois Moine Committed by Mauro Carvalho Chehab
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V4L/DVB (11712): gspca - main: Set the current alternate setting only when needed 



Signed-off-by: default avatarJean-Francois Moine <moinejf@free.fr>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 30d35e49

drivers/media/video/gspca/gspca.c

+3 −1
Original line number Diff line number Diff line
@@ -486,7 +486,7 @@ static struct usb_host_endpoint *get_ep(struct gspca_dev *gspca_dev) 
	}

	PDEBUG(D_STREAM, "use alt %d ep 0x%02x",

			i, ep->desc.bEndpointAddress);

	if (i > 0) {

	if (gspca_dev->nbalt > 1) {

		ret = usb_set_interface(gspca_dev->dev, gspca_dev->iface, i);

		if (ret < 0) {

			err("set alt %d err %d", i, ret);
@@ -653,6 +653,8 @@ static int gspca_set_alt0(struct gspca_dev *gspca_dev) 
{

	int ret;



	if (gspca_dev->alt == 0)

		return 0;

	ret = usb_set_interface(gspca_dev->dev, gspca_dev->iface, 0);

	if (ret < 0)

		PDEBUG(D_ERR|D_STREAM, "set alt 0 err %d", ret);