Re: [PATCH v5 1/2] Input: gpio_keys.c: Added support for device-tree platform data

On Mon, 04 Jul 2011 10:52:55 +0400
Dmitry Torokhov [off-list ref] wrote:

David Jander [off-list ref] wrote:

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On Thu, 23 Jun 2011 11:01:22 -0700
Dmitry Torokhov [off-list ref] wrote:

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On Thu, Jun 23, 2011 at 07:25:37AM -0600, Grant Likely wrote:

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On Thu, Jun 23, 2011 at 6:39 AM, Alan Cox

[off-list ref] wrote:

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+       - gpios: OF devcie-tree gpio specificatin.
+       - label: Descriptive name of the key.
+       - linux,code: Keycode to emit.

The fact that this is the Linux internal keycode definitions

still

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makes me nervous.  Is there no existing standard for keycodes

emitted

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by keyboard devices?

There is but no standard lookup table. For Intel MID we do a

translation

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between Linux key names in the firmware and keycodes but there

isn't a

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generic helper for it.

I suppose the Linux keycodes are exported out to userspace, and are
therefore an ABI which will not change.  Okay.

Right, keycodes form ABI that will not change.

Another option would be to use codes from HID usage tables but then
they would have to be translated to Linux ones.

Dmitry, will you accept this patch also?
Until now, part 2/2 is in your tree, thanks for that, but I'd like to
know if
this part (1/2) will also be accepted?

Yes, I will since there was no more discussion about hid codes and I do
believe that using linux definitions is fine.

Ok, thanks.

Best regards,

-- 
David Jander
Protonic Holland.
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