Re: [PATCH] [media] rc: do not enable remote controller adapters by default.

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On Wed, Feb 16, 2011 at 10:09:44AM -0500, Stephen Wilson wrote:
> Andy Walls <awalls@xxxxxxxxxxxxxxxx> writes:
> 
> > On Wed, 2011-02-16 at 01:16 -0500, Stephen Wilson wrote:
> >> Having the RC_CORE config default to INPUT is almost equivalent to
> >> saying "yes".  Default to "no" instead.
> >>
> >> Signed-off-by: Stephen Wilson <wilsons@xxxxxxxx>
> >
> > I don't particularly like this, if it discourages desktop distributions
> > from building RC_CORE.  The whole point of RC_CORE in kernel was to have
> > the remote controllers bundled with TV and DTV cards "just work" out of
> > the box for end users.  Also the very popular MCE USB receiver device,
> > shipped with Media Center PC setups, needs it too.
> 
> A similar argument can be made for any particular feature or device that
> just works when the functionality is enabled :)
> 
> > Why exactly do you need it set to "No"?
> 
> It is not a need.  I simply observed that after the IR_ to RC_ rename
> there was another set of drivers being built which I did not ask for.

So disable them. I think most people would rather have this support
enabled so that remotes Just Work if a DTV card or stand-alone IR receiver
is plugged in without having to hunt back through Kconfig options to
figure out why it doesn't...

> It struck me as odd that because basic keyboard/mouse support was
> enabled I also got support for DTV card remote controls.
> 
> I don't think there are any other driver subsystems enabling themselves
> based on something as generic as INPUT (as a dependency it is just fine,
> obviously).
> 
> Overall, it just seems like the wrong setting to me.  Is there another
> predicate available that makes a bit more sense for RC_CORE other than
> INPUT?  Something related to the TV or DTV cards perhaps?

No. As Andy said, there are stand-alone devices, such as the Windows Media
Center Ed. eHome Infrared Transceivers which are simply a usb device, no
direct relation to any TV devices. A fair number of systems these days are
also shipping with built-in CIR support by way of a sub-function on an LPC
SuperIO chip. Remotes can be used to control more than just changing
channels on a TV tuner card (think music player, video playback app
streaming content from somewhere on the network, etc).

-- 
Jarod Wilson
jarod@xxxxxxxxxx

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