From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Andrzej Pietrasiewicz <andrzej.p@collabora.com>,
linux-pm@vger.kernel.org, linux-acpi@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-input@vger.kernel.org,
linux-tegra@vger.kernel.org, patches@opensource.cirrus.com,
ibm-acpi-devel@lists.sourceforge.net,
platform-driver-x86@vger.kernel.org,
"Rafael J . Wysocki" <rjw@rjwysocki.net>,
Len Brown <lenb@kernel.org>, Jonathan Cameron <jic23@kernel.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Kukjin Kim <kgene@kernel.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
NXP Linux Team <linux-imx@nxp.com>,
Vladimir Zapolskiy <vz@mleia.com>,
Sylvain Lemieux <slemieux.tyco@gmail.com>,
Laxman Dewangan <ldewangan@nvidia.com>,
Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Barry Song <baohua@kernel.org>,
Michael Hennerich <michael.hennerich@analog.com>,
Nick Dyer <nick@shmanahar.org>,
Hans de Goede <hdegoede@redhat.com>,
Ferruh Yigit <fery@cypress.com>, Sangwon Jee <jeesw@melfas.com>,
Peter Hutterer <peter.hutterer@redhat.com>,
Henrique de Moraes Holschuh <ibm-acpi@hmh.eng.br>,
kernel@collabora.com
Subject: Re: [PATCH v3 0/7] Support inhibiting input devices
Date: Sun, 7 Jun 2020 22:37:37 -0700 [thread overview]
Message-ID: <20200608053737.GS89269@dtor-ws> (raw)
In-Reply-To: <20200607202414.GB13138@amd>
On Sun, Jun 07, 2020 at 10:24:14PM +0200, Pavel Machek wrote:
> 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...
I do not think you read the entirety of this patch series...
Thanks.
--
Dmitry
next prev parent reply other threads:[~2020-06-08 5:37 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
2020-05-15 16:51 ` [PATCHv2 1/7] Input: add input_device_enabled() Andrzej Pietrasiewicz
2020-05-15 16:52 ` [PATCHv2 4/7] iio: adc: exynos: 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
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
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
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
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 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 3/7] ACPI: button: Access input device's users under appropriate mutex 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 5/7] iio: adc: exynos: Use input_device_enabled() Andrzej Pietrasiewicz
2020-06-05 19:49 ` Michał Mirosław
2020-06-05 17:33 ` [PATCH v3 6/7] platform/x86: thinkpad_acpi: " 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
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
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
2020-06-10 9:49 ` [PATCH v4 0/7] Support inhibiting input devices Hans de Goede
2020-06-10 10:38 ` Rafael J. Wysocki
2020-06-10 13:12 ` Andrzej Pietrasiewicz
2020-06-10 13:21 ` Hans de Goede
2020-06-10 13:41 ` Andrzej Pietrasiewicz
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
2020-06-17 7:44 ` Hans de Goede
2020-06-17 10:18 ` [PATCH v2] " Andrzej Pietrasiewicz
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
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
2020-06-07 20:24 ` [PATCH v3 " Pavel Machek
2020-06-08 5:37 ` Dmitry Torokhov [this message]
2020-06-08 9:28 ` Andrzej Pietrasiewicz
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