[linux-dvb] [RFC] Should a DVB frontend report the board name?
mrechberger at gmail.com
Tue Feb 6 01:34:29 CET 2007
On 2/6/07, Manu Abraham <abraham.manu at gmail.com> wrote:
> On 2/6/07, Michael Krufky <mkrufky at linuxtv.org> wrote:
> > Hartmut Hackmann wrote:
> > > Hi, folks
> > >
> > > Currently most boards report the type of the channel decoder as
> > > the frontend name. This has the disadvantage that if you have multiple
> > > (hybrid) cards with the same channel decoder type, you will not be
> > > able to distinguish them in the applications. Especially if you want to
> > > use one of them for analog- and and the other one for digital TV, this
> > > becomes a problem.
> > > In my personal repository, i have a change that reports the board name
> > > instead in saa7134-dvb.
> > >
> > > Should i leave this in or remove it to stay consistent with other
> > > cards?
> > In the past, cx88-dvb would report the board name, but I've changed it
> > to report the frontend name in this changeset:
> > http://linuxtv.org/hg/v4l-dvb?cmd=changeset;node=d1b4025b0ec8
> > --- a/linux/drivers/media/video/cx88/cx88-dvb.c Tue Aug 23 15:58:06 2005
> > +++ b/linux/drivers/media/video/cx88/cx88-dvb.c Thu Aug 25 06:06:52 2005
> > @@ -412,11 +412,6 @@ static int dvb_register(struct cx8802_de
> > dev->dvb.frontend->ops->info.frequency_max =
> > }
> > - /* Copy the board name into the DVB structure */
> > - strlcpy(dev->dvb.frontend->ops->info.name,
> > - cx88_boards[dev->core->board].name,
> > - sizeof(dev->dvb.frontend->ops->info.name));
> > -
> > /* register everything */
> > return videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev);
> > }
> > At the time, I thought it would be more consistent to report the name of
> > demodulator, since it is in fact the frontend driver that is being
> reported here.
> > However, now I am aware that some other dvb drivers report the device name
> > instead of the frontend driver's name.... For instance, any dvb-usb device
> > will report the device's textual name instead of the actual frontend's
> > In the case of dvb-usb, I do prefer that the device name is being shown,
> > I feel that we should be consistent across the board.
> > Should I add those lines back to cx88-dvb so that the board's name will be
> > instead of the frontend driver's name?
> The name of a frontend should be that of the frontend itself and not
> the board, if it reports the board name then it is wrong, since the
> board is not the frontend.
not that this is very important but I've seen that some people were
confused because of displaying the name of the demodulator, they
stated out that they own product xy and not a ZL10353, MT352, etc.
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