V4L/DVB (5089): Pvrusb2: V4L EXT_CTRLS fixup

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Attempts to enumerate or operate on a group of EXT_CTRLS where the
group size is zero is OK; don't fail on such operations.  At least one
application uses this to probe for the existence of this API so let it
succeed.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

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Mike Isely 2007-01-20 00:30:23 -03:00 • committed by Mauro Carvalho Chehab

parent af75453860

commit c1c2680d92

1 changed files with 3 additions and 0 deletions

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drivers/media/video/pvrusb2/pvrusb2-v4l2.c

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