Greg KH wrote:
Please also update the documentation for the usbfs file in
Documentation/usb/proc_usb_info.txt as you added a new line to that
file.
You can just send that as a follow-on patch, as I've added this one to
my tree now.
The IAD usbfs doc patch is against kernel 2.6.22-rc6.
Craig
From: Craig W. Nadler <[EMAIL PROTECTED]>
USB_IAD_DOC: Updates usbfs doc file for IAD support.
Added a section for Interface Association Descriptors in the usbfs
documentation in Documentation/usb/proc_usb_info.txt .
Signed-off-by: Craig W. Nadler <[EMAIL PROTECTED]>
diff -uprN a/Documentation/usb/proc_usb_info.txt b/Documentation/usb/proc_usb_info.txt
--- a/Documentation/usb/proc_usb_info.txt 2007-04-25 23:08:32.000000000 -0400
+++ b/Documentation/usb/proc_usb_info.txt 2007-06-29 01:45:05.000000000 -0400
@@ -211,6 +211,28 @@ C:* #Ifs=dd Cfg#=dd Atr=xx MPwr=dddmA
for use with software volume control.
+Interface Association Descriptor info (can be multiple per Config):
+
+A: FirstIf#=dd IfCount=dd Cls=xx(sssss) Sub=xx Prot=xx
+| | | | | |
+| | | | | |
+| | | | | |__FunctionProtocol
+| | | | |__FunctionSubClass
+| | | |__FunctionClass
+| | |__Number of Interfaces associated with this function
+| |__First Interface associated with this function
+|__Interface Association Descriptor info tag
+
+ An Interface Association Descriptor can be used to specify that
+ multiple interfaces on a device are used together as part of a
+ single distinct function. USB configurations may have multiple
+ IADs, however an interface can only be referenced by one IAD.
+ The structure of the IAD also forces the interfaces referenced to
+ be consecutively numbered. The interfaces are referenced in the
+ descriptor by the interface number of the first associated
+ interface and the number of interfaces.
+
+
Interface descriptor info (can be multiple per Config):
I:* If#=dd Alt=dd #EPs=dd Cls=xx(sssss) Sub=xx Prot=xx Driver=ssss
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