Make sure the endpoint is ISOC in and do not hard code USB_DIR_IN.
Signed-off-by: Oliver Neukum <oneukum@xxxxxxxx>
---
drivers/media/usb/b2c2/flexcop-usb.c | 2 ++
drivers/media/usb/b2c2/flexcop-usb.h | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c
index e3234d169065..e4da32771379 100644
--- a/drivers/media/usb/b2c2/flexcop-usb.c
+++ b/drivers/media/usb/b2c2/flexcop-usb.c
@@ -513,6 +513,8 @@ static int flexcop_usb_init(struct flexcop_usb *fc_usb)
if (fc_usb->uintf->cur_altsetting->desc.bNumEndpoints < 1)
return -ENODEV;
+ if (!usb_endpoint_is_isoc_in(&fc_usb->uintf->cur_altsetting->endpoint[1].desc))
+ return -ENODEV;
switch (fc_usb->udev->speed) {
case USB_SPEED_LOW:
diff --git a/drivers/media/usb/b2c2/flexcop-usb.h b/drivers/media/usb/b2c2/flexcop-usb.h
index e86faa0e06ca..2f230bf72252 100644
--- a/drivers/media/usb/b2c2/flexcop-usb.h
+++ b/drivers/media/usb/b2c2/flexcop-usb.h
@@ -15,7 +15,7 @@
#define B2C2_USB_CTRL_PIPE_IN usb_rcvctrlpipe(fc_usb->udev, 0)
#define B2C2_USB_CTRL_PIPE_OUT usb_sndctrlpipe(fc_usb->udev, 0)
-#define B2C2_USB_DATA_PIPE usb_rcvisocpipe(fc_usb->udev, 0x81)
+#define B2C2_USB_DATA_PIPE usb_rcvisocpipe(fc_usb->udev, 1)
struct flexcop_usb {
struct usb_device *udev;
--
2.26.2
