From: Jani Nikula <jani.nikula@linux.intel.com>
To: Jonathan Corbet <corbet@lwn.net>, Mat King <mathewk@google.com>
Cc: Daniel Thompson <daniel.thompson@linaro.org>,
rafael@kernel.org, gregkh@linuxfoundation.org,
Ross Zwisler <zwisler@google.com>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
Jingoo Han <jingoohan1@gmail.com>,
Rajat Jain <rajatja@google.com>, Lee Jones <lee.jones@linaro.org>,
Alexander Schremmer <alex@alexanderweb.de>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: Re: New sysfs interface for privacy screens
Date: Thu, 03 Oct 2019 11:19:13 +0300 [thread overview]
Message-ID: <87muei9r7i.fsf@intel.com> (raw)
In-Reply-To: <20191002094650.3fc06a85@lwn.net>
On Wed, 02 Oct 2019, Jonathan Corbet <corbet@lwn.net> wrote:
> On Tue, 1 Oct 2019 10:09:46 -0600
> Mat King <mathewk@google.com> wrote:
>
>> I have been looking into adding Linux support for electronic privacy
>> screens which is a feature on some new laptops which is built into the
>> display and allows users to turn it on instead of needing to use a
>> physical privacy filter. In discussions with my colleagues the idea of
>> using either /sys/class/backlight or /sys/class/leds but this new
>> feature does not seem to quite fit into either of those classes.
>
> FWIW, it seems that you're not alone in this; 5.4 got some support for
> such screens if I understand things correctly:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=110ea1d833ad
Oh, I didn't realize it got merged already, I thought this was
related...
So we've already replicated the backlight sysfs interface problem for
privacy screens. :(
BR,
Jani.
--
Jani Nikula, Intel Open Source Graphics Center
next prev parent reply other threads:[~2019-10-03 8:19 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-01 16:09 New sysfs interface for privacy screens Mat King
2019-10-01 16:27 ` Greg KH
2019-10-01 16:42 ` Mat King
2019-10-02 9:30 ` Jani Nikula
2019-10-02 10:24 ` Daniel Thompson
2019-10-02 10:46 ` Jani Nikula
2019-10-02 15:25 ` Mat King
2019-10-03 8:59 ` Jani Nikula
2019-10-03 19:57 ` Mat King
2019-10-07 4:56 ` Rajat Jain
2019-10-07 8:59 ` Jani Nikula
2019-10-07 13:08 ` Sean Paul
2019-10-07 16:19 ` Mat King
2019-10-07 19:31 ` Rajat Jain
2019-10-07 19:53 ` Sean Paul
2019-10-08 6:13 ` Jani Nikula
[not found] ` <CACK8Z6FF1CBmti797sYWS51j-8ag-pSL9RJ2r9NDibXk2M=tEQ@mail.gmail.com>
2019-10-23 0:17 ` Rajat Jain
2019-10-23 8:39 ` Daniel Vetter
2019-10-02 15:46 ` Jonathan Corbet
2019-10-02 17:13 ` Mat King
2019-10-03 8:19 ` Jani Nikula [this message]
2019-10-03 10:22 ` Daniel Thompson
2019-10-06 11:04 ` Pavel Machek
2019-10-06 16:48 ` Jingoo Han
2019-10-06 20:34 ` Henrique de Moraes Holschuh
2019-10-06 11:00 ` Pavel Machek
2019-10-06 10:58 ` Pavel Machek
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87muei9r7i.fsf@intel.com \
--to=jani.nikula@linux.intel.com \
--cc=alex@alexanderweb.de \
--cc=andriy.shevchenko@linux.intel.com \
--cc=corbet@lwn.net \
--cc=daniel.thompson@linaro.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=gregkh@linuxfoundation.org \
--cc=jingoohan1@gmail.com \
--cc=lee.jones@linaro.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mathewk@google.com \
--cc=rafael@kernel.org \
--cc=rajatja@google.com \
--cc=zwisler@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).