m> 1159198913 -0300 committer Mauro Carvalho Chehab 1159899226 -0300 V4L/DVB (4665): Add frontend structure callback for bus acquisition. This patch enables generic bus arbitration callbacks enabling dvbcore frontend_open and frontend_release to pass 'acquire' and 'release' hardware messages back into the DVB bridge frameworks. Frameworks like cx88 can then implement single bus multiple demod card sharing features, which would prohibit two frontends from attempting to use a single transport bus at the same time. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab