[media] DaVinci-VPBE: Reduce the scope for a variable in vpbe_set_default_output()
* Move the definition for the variable "ret" into an if branch so that an extra initialisation can be avoided at the beginning by this refactoring. * Return a success code as a constant at the end. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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