linux-kernel - Re: 2.6.36/2.6.37: broken compatibility with userspace input-utils ?

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Message-ID: <4D4096DA.804@teksavvy.com>
Date:	Wed, 26 Jan 2011 16:49:14 -0500
From:	Mark Lord <kernel@...savvy.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
CC:	Mauro Carvalho Chehab <mchehab@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-input@...r.kernel.org, linux-media@...r.kernel.org
Subject: Re: 2.6.36/2.6.37: broken compatibility with userspace input-utils
 ?

Or perhaps get rid of that unworkable "version number" thing
(just freeze it in time with the 2.6.35 value returned),
and implement a "get_feature_flags" ioctl or something for going forward.
Then you can just turn on new bits in the flags as new features are added.

It's a kludge (to get around the poor use of -EINVAL everywhere),
but at least it's a design that's workable.

Cheers
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