From: Pavel Machek <pavel@ucw.cz>
To: Charles Mirabile <cmirabil@redhat.com>
Cc: linux-kernel@vger.kernel.org,
Serge Schneider <serge@raspberrypi.org>,
Stefan Wahren <stefan.wahren@i2se.com>,
Nicolas Saenz Julienne <nsaenzju@redhat.com>,
Mattias Brugger <mbrugger@suse.com>,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
fedora-rpi@googlegroups.com, Miguel Ojeda <ojeda@kernel.org>,
Daniel Bauman <dbauman@redhat.com>,
Mwesigwa Guma <mguma@redhat.com>,
Joel Savitz <jsavitz@redhat.com>
Subject: Re: [PATCH v9 3/6] drivers/auxdisplay: sensehat: Raspberry Pi Sense HAT display driver
Date: Wed, 4 May 2022 19:22:56 +0200 [thread overview]
Message-ID: <20220504172256.GA1623@bug> (raw)
In-Reply-To: <20220419205158.28088-4-cmirabil@redhat.com>
Hi!
> This patch adds the driver for the 8x8 RGB LED matrix display
> on the Sense HAT. It appears as a character device named sense-hat
> in /dev/. That special file is 192 bytes large and contains 64
> RGB triplets (3 bytes each) one for each pixel in row major order.
Is that right interface? Should we treat it as a tiny framebuffer, instead?
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: Charles Mirabile <cmirabil@redhat.com>
Cc: linux-kernel@vger.kernel.org,
Serge Schneider <serge@raspberrypi.org>,
Stefan Wahren <stefan.wahren@i2se.com>,
Nicolas Saenz Julienne <nsaenzju@redhat.com>,
Mattias Brugger <mbrugger@suse.com>,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
fedora-rpi@googlegroups.com, Miguel Ojeda <ojeda@kernel.org>,
Daniel Bauman <dbauman@redhat.com>,
Mwesigwa Guma <mguma@redhat.com>,
Joel Savitz <jsavitz@redhat.com>
Subject: Re: [PATCH v9 3/6] drivers/auxdisplay: sensehat: Raspberry Pi Sense HAT display driver
Date: Wed, 4 May 2022 19:22:56 +0200 [thread overview]
Message-ID: <20220504172256.GA1623@bug> (raw)
In-Reply-To: <20220419205158.28088-4-cmirabil@redhat.com>
Hi!
> This patch adds the driver for the 8x8 RGB LED matrix display
> on the Sense HAT. It appears as a character device named sense-hat
> in /dev/. That special file is 192 bytes large and contains 64
> RGB triplets (3 bytes each) one for each pixel in row major order.
Is that right interface? Should we treat it as a tiny framebuffer, instead?
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2022-05-04 17:24 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-19 20:51 [PATCH v9 0/6] Raspberry Pi Sense HAT driver Charles Mirabile
2022-04-19 20:51 ` Charles Mirabile
2022-04-19 20:51 ` [PATCH v9 1/6] drivers/mfd: sensehat: Add Raspberry Pi Sense HAT to simple_mfd_i2c Charles Mirabile
2022-04-19 20:51 ` Charles Mirabile
2022-04-19 20:51 ` [PATCH v9 2/6] drivers/input/joystick: sensehat: Raspberry Pi Sense HAT joystick driver Charles Mirabile
2022-04-19 20:51 ` Charles Mirabile
2022-05-31 1:26 ` Randy Dunlap
2022-05-31 1:26 ` Randy Dunlap
2022-05-31 1:57 ` Dmitry Torokhov
2022-05-31 1:57 ` Dmitry Torokhov
2022-05-31 2:14 ` Randy Dunlap
2022-05-31 2:14 ` Randy Dunlap
2022-04-19 20:51 ` [PATCH v9 3/6] drivers/auxdisplay: sensehat: Raspberry Pi Sense HAT display driver Charles Mirabile
2022-04-19 20:51 ` Charles Mirabile
2022-05-04 17:22 ` Pavel Machek [this message]
2022-05-04 17:22 ` Pavel Machek
2022-04-19 20:51 ` [PATCH v9 4/6] dt-bindings: mfd: sensehat: Add Raspberry Pi Sense HAT schema Charles Mirabile
2022-04-19 20:51 ` Charles Mirabile
2022-04-20 6:44 ` Krzysztof Kozlowski
2022-04-20 6:44 ` Krzysztof Kozlowski
2022-04-19 20:51 ` [PATCH v9 5/6] MAINTAINERS: Add sensehat driver authors to MAINTAINERS Charles Mirabile
2022-04-19 20:51 ` Charles Mirabile
2022-04-19 20:51 ` [PATCH v9 6/6] DO NOT MERGE: full sensehat device tree overlay for raspberry pi 4 Charles Mirabile
2022-04-19 20:51 ` Charles Mirabile
2022-04-22 14:17 ` [PATCH v9 0/6] Raspberry Pi Sense HAT driver Miguel Ojeda
2022-04-22 14:17 ` Miguel Ojeda
[not found] ` <CABe3_aE-nQzZazLfxk1OnCNRF0sDqcWi6gieYSf4O4aYS_Ahog@mail.gmail.com>
2022-04-26 10:18 ` Nicolas Saenz Julienne
2022-04-26 10:18 ` Nicolas Saenz Julienne
2022-04-26 11:48 ` Stefan Wahren
2022-04-26 11:48 ` Stefan Wahren
2022-04-26 12:03 ` Conor.Dooley
2022-04-26 12:03 ` Conor.Dooley
2022-04-26 15:12 ` Stefan Wahren
2022-04-26 15:12 ` Stefan Wahren
2022-06-23 5:48 ` Stefan Wahren
2022-06-23 5:48 ` Stefan Wahren
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=20220504172256.GA1623@bug \
--to=pavel@ucw.cz \
--cc=cmirabil@redhat.com \
--cc=dbauman@redhat.com \
--cc=fedora-rpi@googlegroups.com \
--cc=jsavitz@redhat.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rpi-kernel@lists.infradead.org \
--cc=mbrugger@suse.com \
--cc=mguma@redhat.com \
--cc=nsaenzju@redhat.com \
--cc=ojeda@kernel.org \
--cc=serge@raspberrypi.org \
--cc=stefan.wahren@i2se.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.