From: Felipe Balbi <balbi@ti.com>
Date: Mon, 29 Sep 2014 20:18:20 +0000 (-0500)
Subject: usb: gadget: function: f_obex: fix Interface Descriptor Test
X-Git-Tag: omap-for-v3.19/fixes-not-urgent-part1~17^2~2^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3985f3ab0834edf014ebd19192d9dd77422dea67;p=pandora-kernel.git

usb: gadget: function: f_obex: fix Interface Descriptor Test

On USB20CV's Interface Descriptor Test, a series
of SetInterface/GetInterface requests are issued
and gadget driver is required to always return
correct alternate setting.

In one step of the test, g_serial with f_obex
was returning the wrong value (1 instead of 0).

In order to fix this, we will now hold currently
selected alternate setting inside our struct f_obex
and just return that from our ->get_alt()
implementation.

Note that his also simplifies the code a bit.

Signed-off-by: Felipe Balbi <balbi@ti.com>
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