[linux-dvb] Re: Frontend-specific ioctl's

[Johannes Stezenbach <js@linuxtv.org>]

Patrick Boettcher wrote:
> On Wed, 29 Dec 2004, Johannes Stezenbach wrote:
> >You could add an ioctl func ptr to struct dvb_frontend_ops, and
> >call it (when !NULL) from dvb_frontend_ioctl().
> 
> I don't want to change the dvb-api, because I want to include the 
> interface in the mainstream-driver. That's what I would do when I would 
> add another ioctl call to dvb_frontend_ops, wouldn't it?

We can change internal APIs at any time. (OK, we shouldn't if it isn't
necessary, of course.)
Only the external API is stable. So you cannot add your private ioctl
#define to linux/dvb/frontend.h, but you can add the infrastructure to
pass private ioctls down to the hw drivers.

Johannes