use USB API functions rather than constants

From: Julia Lawall <julia@diku.dk>

This set of patches introduces calls to the following set of functions:

usb_endpoint_dir_in(epd)
usb_endpoint_dir_out(epd)
usb_endpoint_is_bulk_in(epd)
usb_endpoint_is_bulk_out(epd)
usb_endpoint_is_int_in(epd)
usb_endpoint_is_int_out(epd)
usb_endpoint_is_isoc_in(epd)
usb_endpoint_is_isoc_out(epd)
usb_endpoint_num(epd)
usb_endpoint_type(epd)
usb_endpoint_xfer_bulk(epd)
usb_endpoint_xfer_control(epd)
usb_endpoint_xfer_int(epd)
usb_endpoint_xfer_isoc(epd)

In some cases, introducing one of these functions is not possible, and it
just replaces an explicit integer value by one of the following constants:

USB_ENDPOINT_XFER_BULK
USB_ENDPOINT_XFER_CONTROL
USB_ENDPOINT_XFER_INT
USB_ENDPOINT_XFER_ISOC

An extract of the semantic patch that makes these changes is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@r1@ struct usb_endpoint_descriptor *epd; @@

- ((epd->bmAttributes & \(USB_ENDPOINT_XFERTYPE_MASK\|3\)) ==
- \(USB_ENDPOINT_XFER_CONTROL\|0\))
+ usb_endpoint_xfer_control(epd)

@r5@ struct usb_endpoint_descriptor *epd; @@

- ((epd->bEndpointAddress & \(USB_ENDPOINT_DIR_MASK\|0x80\)) ==
-  \(USB_DIR_IN\|0x80\))
+ usb_endpoint_dir_in(epd)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/linux/drivers/media/video/usbvideo/ultracam.c b/linux/drivers/media/video/usbvideo/ultracam.c
index d29e6a81b..b0c9495e8 100644
--- a/linux/drivers/media/video/usbvideo/ultracam.c
+++ b/linux/drivers/media/video/usbvideo/ultracam.c
@@ -556,12 +556,12 @@ static int ultracam_probe(struct usb_interface *intf, const struct usb_device_id
 			err("Alternate settings have different endpoint addresses!");
 			return -ENODEV;
 		}
-		if ((endpoint->bmAttributes & 0x03) != 0x01) {
+		if (usb_endpoint_type(endpoint) != USB_ENDPOINT_XFER_ISOC) {
 			err("Interface %d. has non-ISO endpoint!",
 			    interface->desc.bInterfaceNumber);
 			return -ENODEV;
 		}
-		if ((endpoint->bEndpointAddress & 0x80) == 0) {
+		if (usb_endpoint_dir_out(endpoint)) {
 			err("Interface %d. has ISO OUT endpoint!",
 			    interface->desc.bInterfaceNumber);
 			return -ENODEV;