summaryrefslogtreecommitdiff
path: root/drivers/media/usb/b2c2
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/usb/b2c2')
-rw-r--r--drivers/media/usb/b2c2/flexcop-usb.c11
-rw-r--r--drivers/media/usb/b2c2/flexcop-usb.h2
2 files changed, 7 insertions, 6 deletions
diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c
index 198ddfb8d2b1..e731243267e4 100644
--- a/drivers/media/usb/b2c2/flexcop-usb.c
+++ b/drivers/media/usb/b2c2/flexcop-usb.c
@@ -419,10 +419,9 @@ static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb)
usb_free_urb(fc_usb->iso_urb[i]);
}
- if (fc_usb->iso_buffer != NULL)
- usb_free_coherent(fc_usb->udev,
- fc_usb->buffer_size, fc_usb->iso_buffer,
- fc_usb->dma_addr);
+ usb_free_coherent(fc_usb->udev, fc_usb->buffer_size,
+ fc_usb->iso_buffer, fc_usb->dma_addr);
+
}
static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb)
@@ -513,6 +512,8 @@ 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:
@@ -525,7 +526,7 @@ static int flexcop_usb_init(struct flexcop_usb *fc_usb)
case USB_SPEED_HIGH:
info("running at HIGH speed.");
break;
- case USB_SPEED_UNKNOWN: /* fall through */
+ case USB_SPEED_UNKNOWN:
default:
err("cannot handle USB speed because it is unknown.");
return -ENODEV;
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;