From: Pavel Machek <pavel@ucw.cz>
To: Hans de Goede <hdegoede@redhat.com>
Cc: Werner Sembach <wse@tuxedocomputers.com>,
Lee Jones <lee@kernel.org>,
jikos@kernel.org, linux-kernel@vger.kernel.org,
Jelle van der Waa <jelle@vdwaa.nl>,
Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
linux-input@vger.kernel.org, ojeda@kernel.org,
linux-leds@vger.kernel.org
Subject: Re: Future handling of complex RGB devices on Linux v2
Date: Thu, 22 Feb 2024 18:23:27 +0100 [thread overview]
Message-ID: <ZdeDD9u965bM+CCc@duo.ucw.cz> (raw)
In-Reply-To: <b6d79727-ae94-44b1-aa88-069416435c14@redhat.com>
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Hi!
> > Yeah, so ... this is not a interface. This is a backdoor to pass
> > arbitrary data. That's not going to fly.
>
> Pavel, Note the data will be interpreted by a kernel driver and
> not passed directly to the hw.
Yes, still not flying :-).
> With that said I tend to agree that this seems to be a bit too
> generic.
Exactly.
> Given that these devices are all different in various ways
> and that we only want this for devices which cannot be accessed
> from userspace directly (so a limit set of devices) I really
> think that just doing custom ioctls per vendor is best.
I don't think that's good idea in the long term. Kernel should provide
hardware abstraction, so that userspace does not need to know about
hardware. Obviously there are exceptions, but this should not be one
of those.
BR,
Pavel
--
People of Russia, stop Putin before his war on Ukraine escalates.
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next prev parent reply other threads:[~2024-02-22 17:23 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-11 19:00 [PATCH] leds: rgb: Implement per-key keyboard backlight for several TUXEDO devices Werner Sembach
2023-10-11 19:21 ` Werner Sembach
2023-10-12 8:58 ` Pavel Machek
2023-10-12 10:02 ` Werner Sembach
2023-10-12 14:05 ` Pavel Machek
2023-10-12 16:35 ` Werner Sembach
2023-10-13 12:19 ` Pavel Machek
2023-10-13 14:38 ` Werner Sembach
2023-10-13 14:54 ` Implement per-key keyboard backlight as auxdisplay? Werner Sembach
2023-10-13 19:56 ` Pavel Machek
2023-10-13 20:03 ` Pavel Machek
2023-10-16 10:57 ` Miguel Ojeda
2023-10-23 11:40 ` Jani Nikula
2023-10-23 11:44 ` Miguel Ojeda
2023-11-20 20:53 ` Pavel Machek
2023-11-20 20:52 ` Pavel Machek
2023-11-21 11:33 ` Werner Sembach
2023-11-21 12:20 ` Hans de Goede
2023-11-21 13:29 ` Werner Sembach
2023-11-22 18:34 ` Hans de Goede
2023-11-27 10:59 ` Werner Sembach
2023-12-29 19:13 ` Werner Sembach
2024-01-17 15:26 ` Hans de Goede
2024-01-17 16:50 ` Userspace API for per key backlight for non HID (no hidraw) keyboards Hans de Goede
2024-01-17 19:03 ` Armin Wolf
2024-01-18 0:58 ` Werner Sembach
2024-01-18 17:45 ` Implement per-key keyboard backlight as auxdisplay? Pavel Machek
2024-01-18 22:32 ` Werner Sembach
2024-01-19 8:44 ` Hans de Goede
2024-01-19 10:51 ` Jani Nikula
2024-01-19 16:06 ` Werner Sembach
2024-01-19 18:33 ` Dmitry Torokhov
2024-01-19 22:14 ` Pavel Machek
2024-01-23 16:51 ` Werner Sembach
2024-01-19 16:04 ` Werner Sembach
2024-01-29 13:24 ` Hans de Goede
2024-01-30 11:12 ` Werner Sembach
2024-01-30 17:10 ` Hans de Goede
2024-01-30 18:09 ` Werner Sembach
2024-01-30 18:35 ` Hans de Goede
2024-01-30 19:08 ` Werner Sembach
2024-01-30 19:46 ` Hans de Goede
2024-01-31 11:41 ` Future handling of complex RGB devices on Linux Werner Sembach
2024-01-31 15:52 ` Roderick Colenbrander
2024-02-21 11:12 ` Future handling of complex RGB devices on Linux v2 Werner Sembach
2024-02-21 22:17 ` Pavel Machek
2024-02-22 9:04 ` Pekka Paalanen
2024-02-22 17:38 ` Pavel Machek
2024-02-23 8:53 ` Pekka Paalanen
2024-07-23 20:40 ` Keybaords with arrays of RGB LEDs was " Pavel Machek
2024-02-23 9:21 ` Thomas Zimmermann
2024-02-22 10:46 ` Hans de Goede
2024-02-22 11:38 ` Gregor Riepl
2024-02-22 12:39 ` Hans de Goede
2024-02-22 13:14 ` Future handling of complex RGB devices on Linux v3 Werner Sembach
2024-03-18 11:11 ` Hans de Goede
2024-03-19 15:18 ` Werner Sembach
2024-03-25 14:18 ` Hans de Goede
2024-03-25 17:01 ` Werner Sembach
2024-03-20 11:16 ` Werner Sembach
2024-03-20 11:33 ` Werner Sembach
2024-03-20 18:45 ` Werner Sembach
2024-03-25 14:25 ` In kernel virtual HID devices (was Future handling of complex RGB devices on Linux v3) Hans de Goede
2024-03-25 15:56 ` Benjamin Tissoires
2024-03-25 16:48 ` Werner Sembach
2024-03-25 18:30 ` Hans de Goede
2024-03-26 7:57 ` Werner Sembach
2024-03-26 15:39 ` Benjamin Tissoires
2024-03-26 16:57 ` Werner Sembach
2024-03-27 11:03 ` Benjamin Tissoires
2024-03-28 23:52 ` Werner Sembach
2024-03-27 11:01 ` Hans de Goede
2024-07-24 17:36 ` Pavel Machek
2024-07-24 21:08 ` Werner Sembach
2024-03-25 18:38 ` Miguel Ojeda
2024-04-09 13:33 ` Andy Shevchenko
2024-02-22 17:42 ` Future handling of complex RGB devices on Linux v2 Pavel Machek
2024-02-22 17:52 ` Pavel Machek
2024-02-22 17:23 ` Pavel Machek [this message]
2024-02-23 8:33 ` Werner Sembach
2024-01-19 20:15 ` Implement per-key keyboard backlight as auxdisplay? Pavel Machek
2024-01-19 20:22 ` Werner Sembach
2024-01-19 20:32 ` Pavel Machek
2024-01-29 13:24 ` Hans de Goede
2023-10-12 13:00 ` [PATCH] leds: rgb: Implement per-key keyboard backlight for several TUXEDO devices kernel test robot
2023-10-16 11:21 ` kernel test robot
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