[media] au0828: Add option to preallocate digital transfer buffers
Added command line parameter preallocate_big_buffers so that the digital transfer buffers can be allocated when the driver is registered. They do not have to be allocated every time a feed is started. Signed-off-by: NTim Mester <tmester@ieee.org> Acked-by: NDevin Heitmueller <dheitmueller@kernellabs.com> Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>
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