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USB: gadget: composite: Don't increment interface number for alt settings.

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Signed-off-by: Mike Lockwood <lockwood@android.com>
This commit is contained in:
Mike Lockwood 2010-02-26 09:34:19 -05:00
parent 6fd76fd99e
commit b1d4000fe6
1 changed files with 7 additions and 2 deletions
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9
drivers/usb/gadget/composite.c
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@ -322,8 +322,13 @@ static int config_buf(struct usb_configuration *config,
dest = next;
while ((descriptor = *descriptors++) != NULL) {
intf = (struct usb_interface_descriptor *)dest;
if (intf->bDescriptorType == USB_DT_INTERFACE)
intf->bInterfaceNumber = interfaceCount++;
if (intf->bDescriptorType == USB_DT_INTERFACE) {
/* don't increment bInterfaceNumber for alternate settings */
if (intf->bAlternateSetting == 0)
intf->bInterfaceNumber = interfaceCount++;
else
intf->bInterfaceNumber = interfaceCount - 1;
}
dest += intf->bLength;
}