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git.karo-electronics.de Git - linux-beck.git/commit
usb: gadget: printer: add req_match for printer function
Verify that a given usb_ctrlrequest is meant for printer function.
The following parts of the request are tested:
- bmRequestType:Data transfer direction
- bmRequestType:Type
- bmRequestType:Recipient
- bRequest
- wValue for bRequest 1 and 2
- wLength
Additionally, the request is considered meant for this function
iff the decoded interface number matches dev->interface.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>