Hi,
On Tue, Dec 24, 2002 at 12:40:06AM +0100, Oliver Neukum wrote:
>
> > Well, the reason I didn't use one was that I didn't found one in
> > usb.h/usb_ch9.h for 16. It's also not listed on www.usb.org.
> >
> > lsusb calls it "Data". However, I'm not sure if this is a hex/dec
> > error and they really mean "Data" = dec 10, not 0x10 (=dec 16).
> >
> > Shall I define a local symbolic name (e.g.
> > STRANGE_HP_SCANJET_INTERFACE_CLASS)? But I really don't know what this
> > class is. I only know that it's used by a Hewlett-Packard ScanJet
> > 3300c and Genius HR6 USB - Vivid III.
>
> Better that than a bare number.
Patch attached.
Bye,
Henning
diff -u linux-2.4.21-pre1.altsetting/drivers/usb/scanner.c
linux-2.4.21-pre1.interface2/drivers/usb/scanner.c
--- linux-2.4.21-pre1.altsetting/drivers/usb/scanner.c 2002-12-22 12:06:52.000000000
+0100
+++ linux-2.4.21-pre1.interface2/drivers/usb/scanner.c 2002-12-24 16:54:56.000000000
++0100
@@ -913,7 +913,7 @@
if (interface[0].bInterfaceClass != USB_CLASS_VENDOR_SPEC &&
interface[0].bInterfaceClass != USB_CLASS_PER_INTERFACE &&
- interface[0].bInterfaceClass != 16) {
+ interface[0].bInterfaceClass != SCN_CLASS_SCANJET) {
dbg("probe_scanner: This interface doesn't look like a scanner
(class=0x%x).", interface[0].bInterfaceClass);
return NULL;
}
diff -u linux-2.4.21-pre1.altsetting/drivers/usb/scanner.h
linux-2.4.21-pre1.interface2/drivers/usb/scanner.h
--- linux-2.4.21-pre1.altsetting/drivers/usb/scanner.h 2002-12-24 17:41:44.000000000
+0100
+++ linux-2.4.21-pre1.interface2/drivers/usb/scanner.h 2002-12-24 13:51:51.000000000
++0100
@@ -278,6 +278,9 @@
/* send/recv a control message to the scanner */
#define SCANNER_IOCTL_CTRLMSG _IOWR('U', 0x22, struct usb_ctrlrequest )
+/* USB bInterfaceClass used by Hewlett-Packard ScanJet 3300c and Genius HR6
+ USB - Vivid III */
+#define SCN_CLASS_SCANJET 16
#define SCN_MAX_MNR 16 /* We're allocated 16 minors */
#define SCN_BASE_MNR 48 /* USB Scanners start at minor 48 */
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