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ALSA: usb: use multiple packets per urb for Wireless USB inbound audio
authorThomas Pugliese <thomas.pugliese@gmail.com>
Tue, 26 Nov 2013 19:58:15 +0000 (13:58 -0600)
committerTakashi Iwai <tiwai@suse.de>
Wed, 27 Nov 2013 10:55:13 +0000 (11:55 +0100)
commita93455e1c301ce2a4cae11682359fd2067a8fd30
tree2662f91999cdd6662b1229c96cee25cfd6473fa7tree | snapshot
parent2fd3f170e5ba04acc60ee94b2c76ee166727c734commit | diff
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>
sound/usb/endpoint.c diff | blob | history
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