[linux-dvb] Re: Getting IR-codes directly from DVB-S?

[Oliver Endriss <o.endriss@gmx.de>]

On Friday 03 October 2003 14:12, Holger Waechtler wrote:
> Oliver Endriss wrote:
> > On Friday 03 October 2003 12:25, Holger Waechtler wrote:
> > 
> >>Oliver Endriss wrote:
> >>
> >>>On Thursday 02 October 2003 15:21, Rene Bartsch wrote:
> >>>
> >>>
> >>>>as it's quite a work to generate a key-code map, I'd like to know if 
> >>>>it's possible to route/catch the raw IR-codes directly to/from the 
> >>>>input-device or a socket with the current DVB-driver.
> >>>
> >>>
> >>>Currently, there is no such interface.
> >>>The driver forwards the (translated) key codes to the input driver.
> >>>
> >>>A keymap is required, because
> >>>- the protocol type must be specified
> >>>- the driver requires a keymap for the translation table
> >>
> >>as soon you know the protocol you can load a dummy keymap which 
> >>translates key events 1:1.
> > 
> > 
> > That's exactly what I'm going to do now.
> > There are two protocols (rc5/rcmm) with two inversion inversion settings
> > (on/off), i.e. 4 different settings. So I prompt the user to hold down any
> > key while cycling through the 4 possibilities.
> 
> :) sounds good.

Unfortunately, this works only if the application is running as *root*,
because permissions of /proc/av7110_ir are nailed to 0644.
They cannot be modified without patching the driver. :-(

IMHO, the application which has opened the dvb devices in r/w mode,
should be allowed to write to /proc/av7110_ir, too.

While it's not a big security hole, I don't like patching permissions
of av7110_ir to 0666. ;-)

How could this be solved in a clean way?
Are there any plans to change the keymap interface for API-4?

CU,

Oliver


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