From: Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>
To: Andrzej Pietrasiewicz
<andrzej.p-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
Cc: linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
patches-yzvPICuk2AA4QjBA90+/kJqQE7yCjDx5@public.gmane.org,
ibm-acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
platform-driver-x86-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"Rafael J . Wysocki"
<rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>,
Len Brown <lenb-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Jonathan Cameron <jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Hartmut Knaack <knaack.h-Mmb7MZpHnFY@public.gmane.org>,
Lars-Peter Clausen <lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>,
Peter Meerwald-Stadler
<pmeerw-jW+XmwGofnusTnJN9+BGXg@public.gmane.org>,
Kukjin Kim <kgene-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Krzysztof Kozlowski
<krzk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Dmitry Torokhov
<dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Shawn Guo <shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Sascha Hauer <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Subject: Re: [PATCH v3 0/7] Support inhibiting input devices
Date: Sun, 7 Jun 2020 22:24:14 +0200 [thread overview]
Message-ID: <20200607202414.GB13138@amd> (raw)
In-Reply-To: <20200605173335.13753-1-andrzej.p-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 1485 bytes --]
On Fri 2020-06-05 19:33:28, Andrzej Pietrasiewicz wrote:
> Userspace might want to implement a policy to temporarily disregard input
> from certain devices.
Wow, you certainly cc a lot of lists.
> An example use case is a convertible laptop, whose keyboard can be folded
> under the screen to create tablet-like experience. The user then must hold
> the laptop in such a way that it is difficult to avoid pressing the keyboard
> keys. It is therefore desirable to temporarily disregard input from the
> keyboard, until it is folded back. This obviously is a policy which should
> be kept out of the kernel, but the kernel must provide suitable means to
> implement such a policy.
>
> Due to interactions with suspend/resume, a helper has been added for drivers
> to decide if the device is being used or not (PATCH 1/7) and it has been
> applied to relevant drivers (PATCH 2,4,5,6/7).
But is that a right way to implement it?
We want this for cellphones, too -- touchscreen should be disabled
while the device is locked in the pocket -- but we really want the
touchscreen hardware to be powered down in that case (because it keeps
SoC busy and eats a _lot_ of electricity).
But simplistic "receive an event and then drop it if device is
inhibited" does not allow that...
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2020-06-07 20:24 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200506002746.GB89269@dtor-ws>
2020-05-15 16:49 ` [PATCHv2 0/7] Support inhibiting input devices Andrzej Pietrasiewicz
[not found] ` <20200515164943.28480-1-andrzej.p-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2020-05-15 16:51 ` [PATCHv2 1/7] Input: add input_device_enabled() Andrzej Pietrasiewicz
2020-05-15 16:51 ` [PATCHv2 2/7] Input: use input_device_enabled() Andrzej Pietrasiewicz
2020-05-15 16:52 ` [PATCHv2 6/7] Input: Add "inhibited" property Andrzej Pietrasiewicz
2020-05-15 18:19 ` [PATCHv2 0/7] Support inhibiting input devices Hans de Goede
[not found] ` <842b95bb-8391-5806-fe65-be64b02de122-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2020-05-17 22:55 ` Peter Hutterer
2020-05-18 2:40 ` Dmitry Torokhov
2020-05-18 7:36 ` Hans de Goede
2020-05-22 15:35 ` Andrzej Pietrasiewicz
2020-05-27 6:13 ` Peter Hutterer
2020-05-18 10:48 ` Andrzej Pietrasiewicz
[not found] ` <e6030957-97dc-5b04-7855-bc14a78164c8-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2020-05-18 12:24 ` Hans de Goede
2020-05-18 13:49 ` Andrzej Pietrasiewicz
2020-05-18 14:23 ` Hans de Goede
2020-05-19 9:02 ` Andrzej Pietrasiewicz
2020-05-19 9:36 ` Hans de Goede
[not found] ` <aa2ce2ab-e5bc-9cb4-8b53-c1ef9348b646-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2020-05-27 6:34 ` Dmitry Torokhov
2020-06-02 16:56 ` Andrzej Pietrasiewicz
2020-06-02 17:52 ` Dmitry Torokhov
2020-06-02 18:50 ` Andrzej Pietrasiewicz
2020-06-02 20:19 ` Hans de Goede
[not found] ` <8f97d2e1-497a-495d-bc82-f46dbeba440c-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2020-06-03 13:07 ` Andrzej Pietrasiewicz
2020-06-03 17:38 ` Hans de Goede
2020-06-03 17:54 ` Andrzej Pietrasiewicz
2020-06-03 19:37 ` Hans de Goede
2020-06-04 7:28 ` Dmitry Torokhov
2020-06-05 17:33 ` [PATCH v3 " Andrzej Pietrasiewicz
2020-06-05 17:33 ` [PATCH v3 3/7] ACPI: button: Access input device's users under appropriate mutex Andrzej Pietrasiewicz
2020-06-05 17:33 ` [PATCH v3 5/7] iio: adc: exynos: Use input_device_enabled() Andrzej Pietrasiewicz
[not found] ` <20200605173335.13753-6-andrzej.p-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2020-06-05 19:49 ` Michał Mirosław
[not found] ` <20200605173335.13753-1-andrzej.p-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2020-06-05 17:33 ` [PATCH v3 1/7] Input: add input_device_enabled() Andrzej Pietrasiewicz
2020-06-05 17:33 ` [PATCH v3 2/7] Input: use input_device_enabled() Andrzej Pietrasiewicz
2020-06-05 17:33 ` [PATCH v3 4/7] ACPI: button: Use input_device_enabled() helper Andrzej Pietrasiewicz
2020-06-05 17:33 ` [PATCH v3 6/7] platform/x86: thinkpad_acpi: Use input_device_enabled() Andrzej Pietrasiewicz
2020-06-07 20:24 ` Pavel Machek [this message]
2020-06-08 5:37 ` [PATCH v3 0/7] Support inhibiting input devices Dmitry Torokhov
2020-06-08 9:28 ` Andrzej Pietrasiewicz
2020-06-05 17:33 ` [PATCH v3 7/7] Input: Add "inhibited" property Andrzej Pietrasiewicz
2020-06-05 17:41 ` Hans de Goede
[not found] ` <2336e15d-ff4b-bbb6-c701-dbf3aa110fcd-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2020-06-08 11:22 ` [PATCH v4 0/7] Support inhibiting input devices Andrzej Pietrasiewicz
2020-06-08 11:22 ` [PATCH v4 1/7] Input: add input_device_enabled() Andrzej Pietrasiewicz
2020-12-03 6:25 ` Dmitry Torokhov
2020-06-08 11:22 ` [PATCH v4 2/7] Input: use input_device_enabled() Andrzej Pietrasiewicz
2020-12-03 6:26 ` Dmitry Torokhov
[not found] ` <CGME20201207133237eucas1p26f8484944760a14e51dc7353ed33cd28@eucas1p2.samsung.com>
2020-12-07 13:32 ` Marek Szyprowski
2020-12-07 15:50 ` Andrzej Pietrasiewicz
2020-12-08 10:05 ` Marek Szyprowski
2020-12-09 6:37 ` Dmitry Torokhov
2020-12-11 7:09 ` [PATCH] Input: cyapa - do not call input_device_enabled from power mode handler Dmitry Torokhov
2020-12-11 8:22 ` Marek Szyprowski
2020-12-11 8:31 ` Dmitry Torokhov
2020-06-08 11:22 ` [PATCH v4 3/7] ACPI: button: Access input device's users under appropriate mutex Andrzej Pietrasiewicz
2020-06-24 15:00 ` Rafael J. Wysocki
2020-06-25 5:23 ` Dmitry Torokhov
2020-06-25 10:55 ` Rafael J. Wysocki
2020-10-05 5:08 ` Dmitry Torokhov
2020-06-08 11:22 ` [PATCH v4 4/7] ACPI: button: Use input_device_enabled() helper Andrzej Pietrasiewicz
2020-06-25 5:24 ` Dmitry Torokhov
2020-10-05 5:06 ` Dmitry Torokhov
2020-06-08 11:22 ` [PATCH v4 5/7] iio: adc: exynos: Use input_device_enabled() Andrzej Pietrasiewicz
[not found] ` <20200608112211.12125-6-andrzej.p-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2020-06-10 1:28 ` Michał Mirosław
2020-06-10 7:52 ` [FIXED PATCH " Andrzej Pietrasiewicz
2020-06-08 11:22 ` [PATCH v4 6/7] platform/x86: thinkpad_acpi: " Andrzej Pietrasiewicz
2020-06-08 11:22 ` [PATCH v4 7/7] Input: Add "inhibited" property Andrzej Pietrasiewicz
2020-10-05 18:10 ` Dmitry Torokhov
2020-10-06 13:04 ` Andrzej Pietrasiewicz
2020-10-07 1:11 ` Dmitry Torokhov
2020-10-07 1:12 ` Dmitry Torokhov
2020-12-03 6:26 ` Dmitry Torokhov
[not found] ` <20200608112211.12125-1-andrzej.p-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2020-06-10 9:49 ` [PATCH v4 0/7] Support inhibiting input devices Hans de Goede
2020-06-10 10:38 ` Rafael J. Wysocki
[not found] ` <CAJZ5v0hB2ra2K=dd9ZjVyy1V2b1PmFHm79uDO2HtHU1D_4YUbw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2020-06-10 13:12 ` Andrzej Pietrasiewicz
2020-06-10 13:21 ` Hans de Goede
2020-06-10 13:41 ` Andrzej Pietrasiewicz
[not found] ` <2d5fd063-66bc-c707-4041-84a17c0a7d04-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2020-06-12 8:30 ` Hans de Goede
2020-06-12 8:47 ` Andrzej Pietrasiewicz
2020-06-16 17:29 ` [PATCH] Input: document inhibiting Andrzej Pietrasiewicz
2020-06-16 17:38 ` Randy Dunlap
[not found] ` <20200616172909.21625-1-andrzej.p-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2020-06-17 7:44 ` Hans de Goede
[not found] ` <f9007f37-c526-5fa4-3188-a554d2434177-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2020-06-17 10:18 ` [PATCH v2] " Andrzej Pietrasiewicz
[not found] ` <20200617101822.8558-1-andrzej.p-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2020-06-17 10:21 ` Hans de Goede
2020-06-17 16:52 ` Randy Dunlap
2020-06-23 13:35 ` Pavel Machek
2020-12-03 6:27 ` Dmitry Torokhov
[not found] ` <3e61c9c1-b211-da9f-c55b-b44eb6522f2a-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2020-06-10 14:01 ` [PATCH v4 0/7] Support inhibiting input devices Rafael J. Wysocki
2020-06-10 13:52 ` Hans de Goede
2020-06-10 18:28 ` Dmitry Torokhov
2020-06-12 8:14 ` Hans de Goede
2020-06-12 8:17 ` Hans de Goede
2020-08-03 14:40 ` Andrzej Pietrasiewicz
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