From: Ritesh Raj Sarraf <rrs@debian.org>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Platform Driver <platform-driver-x86@vger.kernel.org>
Subject: Re: [PATCH] Add sysfs interface for touchpad state
Date: Thu, 02 Feb 2017 13:46:39 +0530 [thread overview]
Message-ID: <1486023399.14342.1.camel@debian.org> (raw)
In-Reply-To: <CAHp75VckDTD+yx4tTwpzgvgsygiWFEs1t5Uc85UsbaJD8inx_w@mail.gmail.com>
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Hello Andy,
On Wed, 2017-02-01 at 22:53 +0200, Andy Shevchenko wrote:
> > If you have time, please see:
> > https://bugs.launchpad.net/bugs/1366421
> >
> > It has pretty much all the details on what and why we need something in
> > sysfs.
>
> It's a lo-o-ong discussion from which I, might be wrongly, assumed
> that there couple of problems: a) you don't know initial state, b)
> something preventing use of event.
>
Yes.
> Keyboard and touchpad are disabled by hw, so, only what OS needs is a
> notification.
>
Yes.
> Can you point me exactly to the message that explains _why_ it's
> impossible to use standard eventX mechanism for that?
>
Comment #43 has the summary of what we've tried.
https://bugs.launchpad.net/onboard/+bug/1366421/comments/43
Some of the drivers do SW_TABLET_MODE, but ideapad does not.
Some of the drivers do sysfs, but ideapad does not.
For ideapad, under Xorg, it generates hotkey events.
And the hotkey event are going to work under Xorg only. What about Wayland/Mir ?
We also aren't sure, if the keycodes that it sends, are uniform across all Yoga
variants.
- --
Ritesh Raj Sarraf | http://people.debian.org/~rrs
Debian - The Universal Operating System
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next prev parent reply other threads:[~2017-02-02 8:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-30 10:57 [PATCH] Add sysfs interface for touchpad state Ritesh Raj Sarraf
2017-01-30 20:25 ` Andy Shevchenko
2017-01-31 11:47 ` Ritesh Raj Sarraf
2017-02-01 11:25 ` Andy Shevchenko
2017-02-01 14:26 ` Ritesh Raj Sarraf
2017-02-01 15:07 ` Andy Shevchenko
2017-02-01 16:17 ` Ritesh Raj Sarraf
2017-02-01 20:53 ` Andy Shevchenko
2017-02-02 8:16 ` Ritesh Raj Sarraf [this message]
2017-02-13 22:26 ` Andy Shevchenko
2017-02-14 14:18 ` Ritesh Raj Sarraf
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