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[ALSA] usb-audio: use 1 ms URBs when capturing
authorClemens Ladisch <clemens@ladisch.de>
Fri, 12 Aug 2005 06:25:26 +0000 (08:25 +0200)
committerJaroslav Kysela <perex@suse.cz>
Tue, 30 Aug 2005 06:45:04 +0000 (08:45 +0200)
commit15a24c0778e9bdd48d8e1cf60a263837b5c30ed5
treeb7bde1b8f54e4cf8224ed6445d6b8cf9977151abtree | snapshot (tar.gz zip)
parenta53fc188ec6fc406276799da465fe789c40d96b2commit | diff
[ALSA] usb-audio: use 1 ms URBs when capturing

USB generic driver
When capturing audio data, we do not know beforehand how many samples
the device sends per frame, so we have to use URBs that are as short as
possible to make sure that we can handle period boundaries without any
additional latencies.

Furthermore, the total count of URBs submitted doesn't matter when
capturing, so we can just use the maximum number.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
sound/usb/usbaudio.c diff | blob | blame | history