[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: NMax Kellermann <max.kellermann@gmail.com> Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>
Showing
想要评论请 注册 或 登录