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authorClemens Ladisch <clemens@ladisch.de>2005-08-15 08:22:39 +0200
committerJaroslav Kysela <perex@suse.cz>2005-08-30 08:45:41 +0200
commitb263a9bdf9394062a4fc4272ebed60de331c5490 (patch)
tree440f459eb1cd93ed015c38bf20e93e122d4a32e0 /kernel
parent[ALSA] Add new card ID. Fixes ALSA bug #1297 (diff)
downloadlinux-b263a9bdf9394062a4fc4272ebed60de331c5490.tar.xz
linux-b263a9bdf9394062a4fc4272ebed60de331c5490.zip
[ALSA] usb-audio: optimize handling of capture URBs
USB generic driver When preparing capture URBs, we don't need to stop when we cross a period boundary because we now never handle more than one millisecond of data per URB anyway. When handling captured data, use an extra flag to call snd_pcm_period_elapsed() no more than once. This allows us to move the period boundary checking code before the copying of the data which avoids a second locking of the substream's lock. Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions