Re: a question about lid input device

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On Jul 4, 2010, at 6:09 PM, Zhang Rui <rui.zhang@xxxxxxxxx> wrote:

On Sun, 2010-07-04 at 16:35 +0800, Dmitry Torokhov wrote:
On Mon, Jun 21, 2010 at 09:56:37PM -0400, Len Brown wrote:
Dmitry,
Is there a reason not to simply add a "state" attribute
to a LID input device?


Len,

There is no LED input device, there is an input device that happens to
report EV_SW/SW_LID state. If we did that we'd need to add attributes
for all types of switches, keys, current values of REL and ABS axis,
min/max/fuzz/flat settings of ABS axis and so forth that input device
might report. I do not think it is a good idea.

I agree.
How about adding a field in uevent file that reports the switch status?



I think if you can listen to uevents you can just as easily open /dev/ input/eventX and listen to proper input events.

Thanks.

--
Dmitry

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