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V4L/DVB (9801): cx18: Allow more than 63 capture buffers in rotation per stream

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cx18: Allow more than 63 capture buffers in rotation per stream.  Implement
q_busy to hold buffers the firmware has for use.  q_free holds truly unused
buffers in a pool.  New buffers are given to the firmware as soon as the
firmware returns one, if there are any to give to the firmware.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Andy Walls 2008-12-08 23:02:45 -03:00 • committed by Mauro Carvalho Chehab
commit 66c2a6b0bc
8 changed files with 113 additions and 70 deletions
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