From: Dmitri Epshtein <dima@marvell.com>
Date: Mon, 14 Dec 2009 15:17:34 +0000 (+0200)
Subject: USB: ehci: fix audio record functionality for some Full speed sound blaster devices
X-Git-Tag: v2.6.34-rc1~215^2~189
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22e186948a262c9cd377fb43aa50bb3c3f01c468;p=pandora-kernel.git

USB: ehci: fix audio record functionality for some Full speed sound blaster devices

This patch fix audio record functionality for some Full speed sound blaster devices.
Issue: Sometimes transaction complete indication is coming from HW one frame later.
Solution: If scan_periodic process now frame or previous frame now-1 and sitd transaction
is not finished yet, exit scan_periodic function and check the same transaction in the next frame.

Signed-off-by: Dimitry Epshtein <dima@marvell.com>
Signed-off-by: Saeed Bishara <saeed@marvell.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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