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authorJulia Lawall <julia@diku.dk>2008-12-29 21:49:22 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-30 09:40:40 -0200
commit134179823b3ca9c8b98e0631906459dbb022ff9b (patch)
tree9dd65815e669074a080d0abe4033dbebe832e699 /drivers/media/video/stk-webcam.c
parentcec73844a91017f9b84ca1d665feb8fc714c8410 (diff)
V4L/DVB (10130): use USB API functions rather than constants
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>
Diffstat (limited to 'drivers/media/video/stk-webcam.c')
-rw-r--r--drivers/media/video/stk-webcam.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c
index 5566c2379d64..f9516d0f3c11 100644
--- a/drivers/media/video/stk-webcam.c
+++ b/drivers/media/video/stk-webcam.c
@@ -1396,12 +1396,9 @@ static int stk_camera_probe(struct usb_interface *interface,
endpoint = &iface_desc->endpoint[i].desc;
if (!dev->isoc_ep
- && ((endpoint->bEndpointAddress
- & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN)
- && ((endpoint->bmAttributes
- & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_ISOC)) {
+ && usb_endpoint_is_isoc_in(endpoint)) {
/* we found an isoc in endpoint */
- dev->isoc_ep = (endpoint->bEndpointAddress & 0xF);
+ dev->isoc_ep = usb_endpoint_num(endpoint);
break;
}
}

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