[media] em28xx-audio: allocate URBs at device driver init

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Instead of allocating/deallocating URBs and transfer buffers
every time stream is started/stopped, just do it once.

That reduces the memory allocation pressure and makes the
code that start/stop streaming a way simpler.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

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Mauro Carvalho Chehab 2013-12-28 21:16:26 -03:00 • committed by Mauro Carvalho Chehab

parent 46c704d77f

commit f5f894d19e

1 changed files with 73 additions and 55 deletions

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drivers/media/usb/em28xx/em28xx-audio.c

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