From: Pavel Machek <pavel@ucw.cz>
To: Steve Longerbeam <slongerbeam@gmail.com>
Cc: Sakari Ailus <sakari.ailus@iki.fi>,
Hans Verkuil <hverkuil@xs4all.nl>,
robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org,
kernel@pengutronix.de, fabio.estevam@nxp.com,
linux@armlinux.org.uk, mchehab@kernel.org, nick@shmanahar.org,
markus.heiser@darmarIT.de, p.zabel@pengutronix.de,
laurent.pinchart+renesas@ideasonboard.com, bparrot@ti.com,
geert@linux-m68k.org, arnd@arndb.de, sudipm.mukherjee@gmail.com,
minghsiu.tsai@mediatek.com, tiffany.lin@mediatek.com,
jean-christophe.trotin@st.com, horms+renesas@verge.net.au,
niklas.soderlund+renesas@ragnatech.se, robert.jarzmik@free.fr,
songjun.wu@microchip.com, andrew-ct.chen@mediatek.com,
gregkh@linuxfoundation.org, shuah@kernel.org,
sakari.ailus@linux.intel.com, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-media@vger.kernel.org, devel@driverdev.osuosl.org,
Steve Longerbeam <steve_longerbeam@mentor.com>
Subject: Re: [PATCH v7 00/34] i.MX Media Driver
Date: Wed, 31 May 2017 22:11:07 +0200 [thread overview]
Message-ID: <20170531201107.GB16962@amd> (raw)
In-Reply-To: <08dcd6f6-e0ef-a6a0-cfc3-4fcd55624169@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 892 bytes --]
Hi!
> >If there's a need for this (there should not be, as the controls are exposed
> >to the user space through the sub-device nodes as the other drivers do), the
> >framework APIs need to be extended.
>
> Right, this gets back to the media framework usability arguments. At least
> myself, Philipp, and Russell feel that automatic inheritance of a configured
> pipeline's controls to a video device adds to the usability.
For the record, usability can be pretty much fixed in v4l-utils... I
have patches that try ioctls on a list of fd's. Now we need a way to
find out which /dev/video* files belong to single camera. I believe
kernel already has required APIs, we just need to apply v4l-utils
patch to use them...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 181 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>
To: Steve Longerbeam <slongerbeam-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Sakari Ailus <sakari.ailus-X3B1VOXEql0@public.gmane.org>,
Hans Verkuil <hverkuil-qWit8jRvyhVmR6Xm/wNWPw@public.gmane.org>,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org,
shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org,
fabio.estevam-3arQi8VN3Tc@public.gmane.org,
linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org,
mchehab-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
nick-gcszYUEDH4VrovVCs/uTlw@public.gmane.org,
markus.heiser-O6JHGLzbNUwb1SvskN2V4Q@public.gmane.org,
p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org,
laurent.pinchart+renesas-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org,
bparrot-l0cyMroinI0@public.gmane.org,
geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org,
arnd-r2nGTMty4D4@public.gmane.org,
sudipm.mukherjee-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
minghsiu.tsai-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org,
tiffany.lin-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org,
jean-christophe.trotin-qxv4g6HH51o@public.gmane.org,
horms+renesas-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org,
niklas.soderlund+renesas-1zkq55x86MTxsAP9Fp7wbw@public.gmane.org,
robert.jarzmik-GANU6spQydw@public.gmane.org,
songjun.wu-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org,
andrew-ct.chen-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org,
gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org,
shuah-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
sakari.ailus-VuQAYsv1563Yd54FQh9/CA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.orgl
Subject: Re: [PATCH v7 00/34] i.MX Media Driver
Date: Wed, 31 May 2017 22:11:07 +0200 [thread overview]
Message-ID: <20170531201107.GB16962@amd> (raw)
In-Reply-To: <08dcd6f6-e0ef-a6a0-cfc3-4fcd55624169-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 892 bytes --]
Hi!
> >If there's a need for this (there should not be, as the controls are exposed
> >to the user space through the sub-device nodes as the other drivers do), the
> >framework APIs need to be extended.
>
> Right, this gets back to the media framework usability arguments. At least
> myself, Philipp, and Russell feel that automatic inheritance of a configured
> pipeline's controls to a video device adds to the usability.
For the record, usability can be pretty much fixed in v4l-utils... I
have patches that try ioctls on a list of fd's. Now we need a way to
find out which /dev/video* files belong to single camera. I believe
kernel already has required APIs, we just need to apply v4l-utils
patch to use them...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 181 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: pavel@ucw.cz (Pavel Machek)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 00/34] i.MX Media Driver
Date: Wed, 31 May 2017 22:11:07 +0200 [thread overview]
Message-ID: <20170531201107.GB16962@amd> (raw)
In-Reply-To: <08dcd6f6-e0ef-a6a0-cfc3-4fcd55624169@gmail.com>
Hi!
> >If there's a need for this (there should not be, as the controls are exposed
> >to the user space through the sub-device nodes as the other drivers do), the
> >framework APIs need to be extended.
>
> Right, this gets back to the media framework usability arguments. At least
> myself, Philipp, and Russell feel that automatic inheritance of a configured
> pipeline's controls to a video device adds to the usability.
For the record, usability can be pretty much fixed in v4l-utils... I
have patches that try ioctls on a list of fd's. Now we need a way to
find out which /dev/video* files belong to single camera. I believe
kernel already has required APIs, we just need to apply v4l-utils
patch to use them...
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:[~2017-05-31 20:11 UTC|newest]
Thread overview: 196+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-25 0:29 [PATCH v7 00/34] i.MX Media Driver Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 01/34] dt-bindings: Add bindings for video-multiplexer device Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 02/34] [media] dt-bindings: Add bindings for i.MX media driver Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 03/34] [media] dt/bindings: Add bindings for OV5640 Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 04/34] ARM: dts: imx6qdl: add multiplexer controls Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 05/34] ARM: dts: imx6qdl: Add compatible, clocks, irqs to MIPI CSI-2 node Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 06/34] ARM: dts: imx6qdl: Add video multiplexers, mipi_csi, and their connections Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 07/34] ARM: dts: imx6qdl: add capture-subsystem device Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 08/34] ARM: dts: imx6qdl-sabrelite: remove erratum ERR006687 workaround Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 09/34] ARM: dts: imx6-sabrelite: add OV5642 and OV5640 camera sensors Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 10/34] ARM: dts: imx6-sabresd: " Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 11/34] ARM: dts: imx6-sabreauto: create i2cmux for i2c3 Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 12/34] ARM: dts: imx6-sabreauto: add reset-gpios property for max7310_b Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 13/34] ARM: dts: imx6-sabreauto: add pinctrl for gpt input capture Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 14/34] ARM: dts: imx6-sabreauto: add the ADV7180 video decoder Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 15/34] add mux and video interface bridge entity functions Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-29 13:37 ` Hans Verkuil
2017-05-29 13:37 ` Hans Verkuil
2017-05-29 13:37 ` Hans Verkuil
2017-05-29 13:51 ` Philipp Zabel
2017-05-29 13:51 ` Philipp Zabel
2017-05-29 13:51 ` Philipp Zabel
2017-05-29 13:52 ` Hans Verkuil
2017-05-29 13:52 ` Hans Verkuil
2017-05-29 13:52 ` Hans Verkuil
2017-05-25 0:29 ` [PATCH v7 16/34] [media] add Omnivision OV5640 sensor driver Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-29 13:39 ` Hans Verkuil
2017-05-29 13:39 ` Hans Verkuil
2017-05-29 15:55 ` Sakari Ailus
2017-05-29 15:55 ` Sakari Ailus
2017-05-29 15:55 ` Sakari Ailus
2017-05-29 21:49 ` Steve Longerbeam
2017-05-29 21:50 ` Steve Longerbeam
2017-05-29 21:50 ` Steve Longerbeam
2017-05-29 21:50 ` Steve Longerbeam
2017-05-30 6:56 ` Sakari Ailus
2017-05-30 6:56 ` Sakari Ailus
2017-05-30 6:56 ` Sakari Ailus
2017-06-03 18:02 ` Steve Longerbeam
2017-06-03 18:02 ` Steve Longerbeam
2017-06-03 18:02 ` Steve Longerbeam
2017-06-04 18:00 ` Steve Longerbeam
2017-06-04 18:00 ` Steve Longerbeam
2017-06-04 18:00 ` Steve Longerbeam
2017-06-07 12:31 ` Sakari Ailus
2017-06-07 12:31 ` Sakari Ailus
2017-06-07 12:31 ` Sakari Ailus
2017-05-31 19:58 ` Pavel Machek
2017-05-31 19:58 ` Pavel Machek
2017-05-31 19:58 ` Pavel Machek
2017-06-01 8:26 ` Sakari Ailus
2017-06-01 8:26 ` Sakari Ailus
2017-06-01 8:26 ` Sakari Ailus
2017-06-01 8:43 ` exposure vs. exposure_absolute was " Pavel Machek
2017-06-01 8:43 ` Pavel Machek
2017-06-01 8:43 ` Pavel Machek
2017-06-03 19:38 ` Steve Longerbeam
2017-06-03 19:38 ` Steve Longerbeam
2017-06-03 19:38 ` Steve Longerbeam
2017-06-03 19:51 ` Pavel Machek
2017-06-03 19:51 ` Pavel Machek
2017-06-03 19:51 ` Pavel Machek
2017-06-03 21:57 ` Sakari Ailus
2017-06-03 21:57 ` Sakari Ailus
2017-06-03 21:57 ` Sakari Ailus
2017-06-03 22:17 ` Pavel Machek
2017-06-03 22:17 ` Pavel Machek
2017-06-03 22:17 ` Pavel Machek
2017-06-04 4:46 ` Steve Longerbeam
2017-06-04 4:46 ` Steve Longerbeam
2017-06-04 4:46 ` Steve Longerbeam
2017-06-07 12:31 ` Sakari Ailus
2017-06-07 12:31 ` Sakari Ailus
2017-06-07 12:31 ` Sakari Ailus
2017-05-25 0:29 ` [PATCH v7 17/34] platform: add video-multiplexer subdevice driver Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 18/34] platform: video-mux: include temporary mmio-mux support Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 7:51 ` [PATCH] platform: video-mux: fix ptr_ret.cocci warnings kbuild test robot
2017-05-25 7:51 ` kbuild test robot
2017-05-25 7:51 ` kbuild test robot
2017-05-25 7:51 ` [PATCH v7 18/34] platform: video-mux: include temporary mmio-mux support kbuild test robot
2017-05-25 7:51 ` kbuild test robot
2017-05-25 7:51 ` kbuild test robot
2017-05-25 0:29 ` [PATCH v7 19/34] media: Add userspace header file for i.MX Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 20/34] media: Add i.MX media core driver Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 21/34] media: imx: Add Capture Device Interface Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 22/34] media: imx: Add CSI subdev driver Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 23/34] media: imx: Add VDIC " Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 24/34] media: imx: Add IC subdev drivers Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 25/34] media: imx: Add MIPI CSI-2 Receiver subdev driver Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 26/34] ARM: imx_v6_v7_defconfig: Enable staging video4linux drivers Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 27/34] media: imx: csi: add support for bayer formats Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 28/34] media: imx: csi: increase burst size for YUV formats Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 29/34] media: imx: csi: add frame skipping support Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 30/34] media: imx: csi: add sink selection rectangles Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 31/34] media: imx: csi: add frame size/interval enumeration Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 32/34] media: imx: capture: add frame sizes/interval enumeration Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 33/34] media: imx: set and propagate default field, colorimetry Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-25 0:29 ` [PATCH v7 34/34] media: imx: Drop warning upon multiple S_STREAM disable calls Steve Longerbeam
2017-05-25 0:29 ` Steve Longerbeam
2017-05-29 13:46 ` [PATCH v7 00/34] i.MX Media Driver Hans Verkuil
2017-05-29 13:46 ` Hans Verkuil
2017-05-29 13:46 ` Hans Verkuil
2017-05-29 14:15 ` Philipp Zabel
2017-05-29 14:15 ` Philipp Zabel
2017-05-29 14:15 ` Philipp Zabel
2017-05-29 14:21 ` Hans Verkuil
2017-05-29 14:21 ` Hans Verkuil
2017-05-29 14:21 ` Hans Verkuil
2017-05-29 15:24 ` Hans Verkuil
2017-05-29 15:24 ` Hans Verkuil
2017-05-29 15:24 ` Hans Verkuil
2017-05-29 15:36 ` Sakari Ailus
2017-05-29 15:36 ` Sakari Ailus
2017-05-29 15:36 ` Sakari Ailus
2017-05-29 16:29 ` Hans Verkuil
2017-05-29 16:29 ` Hans Verkuil
2017-05-29 16:29 ` Hans Verkuil
2017-05-29 18:12 ` Steve Longerbeam
2017-05-29 18:12 ` Steve Longerbeam
2017-05-29 18:12 ` Steve Longerbeam
2017-05-31 20:11 ` Pavel Machek [this message]
2017-05-31 20:11 ` Pavel Machek
2017-05-31 20:11 ` Pavel Machek
2017-05-29 17:23 ` Steve Longerbeam
2017-05-29 17:23 ` Steve Longerbeam
2017-05-29 17:23 ` Steve Longerbeam
2017-05-29 17:29 ` Hans Verkuil
2017-05-29 17:29 ` Hans Verkuil
2017-05-29 17:29 ` Hans Verkuil
2017-06-02 0:25 ` Tim Harvey
2017-06-02 0:25 ` Tim Harvey
2017-06-02 0:25 ` Tim Harvey
2017-06-02 0:43 ` Steve Longerbeam
2017-06-02 0:43 ` Steve Longerbeam
2017-06-02 0:43 ` Steve Longerbeam
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