[media] em28xx: adjust period size at runtime
authorMauro Carvalho Chehab <m.chehab@samsung.com>
Mon, 13 Jan 2014 06:34:23 +0000 (03:34 -0300)
committerMauro Carvalho Chehab <m.chehab@samsung.com>
Tue, 14 Jan 2014 16:39:52 +0000 (14:39 -0200)
While the current hardcoded period is ok for the current values,
we may latter change the driver to work with different bit rates
or with different latencies than 64ms.

So, adust the period size at runtime.

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

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