diff options
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-video.c | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index b262091415bb..5cf32aed8c2e 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -2196,12 +2196,6 @@ static int em28xx_usb_probe(struct usb_interface *interface, return -ENODEV; } - em28xx_err(DRIVER_NAME " new video device (%04x:%04x): interface %i, class %i\n", - udev->descriptor.idVendor, - udev->descriptor.idProduct, - ifnum, - interface->altsetting[0].desc.bInterfaceClass); - endpoint = &interface->cur_altsetting->endpoint[0].desc; /* check if the device has the iso in endpoint at the correct place */ @@ -2212,21 +2206,39 @@ static int em28xx_usb_probe(struct usb_interface *interface, /* It's a newer em2874/em2875 device */ isoc_pipe = 0; } else { + int check_interface = 1; isoc_pipe = 1; endpoint = &interface->cur_altsetting->endpoint[1].desc; if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != - USB_ENDPOINT_XFER_ISOC) { - em28xx_err(DRIVER_NAME " probing error: endpoint is non-ISO endpoint!\n"); - em28xx_devused &= ~(1<<nr); - return -ENODEV; - } - if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) { - em28xx_err(DRIVER_NAME " probing error: endpoint is ISO OUT endpoint!\n"); + USB_ENDPOINT_XFER_ISOC) + check_interface = 0; + + if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) + check_interface = 0; + + if (!check_interface) { + em28xx_err(DRIVER_NAME " video device (%04x:%04x): " + "interface %i, class %i found.\n", + udev->descriptor.idVendor, + udev->descriptor.idProduct, + ifnum, + interface->altsetting[0].desc.bInterfaceClass); + + em28xx_err(DRIVER_NAME " This is an anciliary " + "interface not used by the driver\n"); + em28xx_devused &= ~(1<<nr); return -ENODEV; } + } + em28xx_err(DRIVER_NAME " new video device (%04x:%04x): interface %i, class %i\n", + udev->descriptor.idVendor, + udev->descriptor.idProduct, + ifnum, + interface->altsetting[0].desc.bInterfaceClass); + if (nr >= EM28XX_MAXBOARDS) { printk(DRIVER_NAME ": Supports only %i em28xx boards.\n", EM28XX_MAXBOARDS); |