RE: [PATCH] Input: rotary_encoder cleanup

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On Wednesday, July 01, 2009 11:34 AM, Daniel Mack wrote:
> On Tue, Jun 30, 2009 at 11:56:36AM -0400, H Hartley Sweeten wrote:
> > On Monday, June 29, 2009 7:32 PM, Dmitry Torokhov wrote:
> > > Do we know how many encoders we need to have in the system to start
> > > seeing the benefits (given that all these conversions increase text
> > > size)?
> > 
> > Hmm.. Didn't think about that. How do you determine the text size?
> 
> 'objdump -h'?

Thanks.

> > I am trying to work out a clean way to pass an array of encoders from
> > the platform init file so that multiple devices can be handled by the
> > driver.  That was what prompted the change.
> 
> Hmm, and then report them all via the very same input device? Or
> register one for each encoder? The latter could easily be done by
> registering multiple platform_devices with different platform_data,
> right?

I suppose each encoder could be registered individually.  Then each would
report as a unique input device.  This should work with the driver as it
is now.  Then drawback is if there are a number of encoders and a
userspace app is opening all of them and doing a EVIOCGRAB it makes the
app a bit messy.

I was thinking more or passing an array of encoders to the driver and then
having it report all of them as one input device.  That ends up being a
lot cleaner.

Regards,
Hartley
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