From: Thomas Pugliese <thomas.pugliese@gmail.com>
Date: Tue, 26 Nov 2013 19:58:15 +0000 (-0600)
Subject: ALSA: usb: use multiple packets per urb for Wireless USB inbound audio
X-Git-Tag: v3.13-rc2~7^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a93455e1c301ce2a4cae11682359fd2067a8fd30;p=pandora-kernel.git

ALSA: usb: use multiple packets per urb for Wireless USB inbound audio

For Wireless USB audio devices, use multiple isoc packets per URB for
inbound endpoints with a datainterval < 5.  This allows the WUSB host
controller to take advantage of bursting to service endpoints whose
logical polling interval is less than the 4ms minimum polling interval
limit in WUSB.

Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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