Change the type of V4L2_CID_TUNE_PREEMPHASIS from 'integer' to 'enum
v4l2_preemphasis'
Acked-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NAndrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>