tree e1bd1df5d1fc66f3d086b777ca2f6f5d9a48a07b
parent 967d8e8f4caca396e6c4c8a8cf18765aa16cfdaf
author Max Kellermann <max.kellermann@gmail.com> 1470778361 -0300
committer Mauro Carvalho Chehab <mchehab@s-opensource.com> 1479488981 -0200

[media] dvb_frontend: add "detach" callback

Prepare for making "release" asynchronous (via kref).  Some operations
may need to be run synchronously in dvb_frontend_detach(), and that's
why we need a "detach" callback.

Signed-off-by: Max Kellermann <max.kellermann@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>