| From: |
| Steve Longerbeam <slongerbeam-AT-gmail.com> |
| To: |
| Laurent Pinchart <laurent.pinchart-AT-ideasonboard.com>, Steve Longerbeam <slongerbeam-AT-gmail.com> |
| Subject: |
| Re: [PATCH v3 00/24] i.MX Media Driver |
| Date: |
| Fri, 3 Feb 2017 09:56:18 -0800 |
| Message-ID: |
| <e2ddd5a9-e3a3-5f1d-72a8-3b82bee316ea@gmail.com> |
| Cc: |
| Philipp Zabel <p.zabel-AT-pengutronix.de>, robh+dt-AT-kernel.org, mark.rutland-AT-arm.com, shawnguo-AT-kernel.org, kernel-AT-pengutronix.de, fabio.estevam-AT-nxp.com, linux-AT-armlinux.org.uk, mchehab-AT-kernel.org, hverkuil-AT-xs4all.nl, nick-AT-shmanahar.org, markus.heiser-AT-darmarit.de, laurent.pinchart+renesas-AT-ideasonboard.com, bparrot-AT-ti.com, geert-AT-linux-m68k.org, arnd-AT-arndb.de, sudipm.mukherjee-AT-gmail.com, minghsiu.tsai-AT-mediatek.com, tiffany.lin-AT-mediatek.com, jean-christophe.trotin-AT-st.com, horms+renesas-AT-verge.net.au, niklas.soderlund+renesas-AT-ragnatech.se, robert.jarzmik-AT-free.fr, songjun.wu-AT-microchip.com, andrew-ct.chen-AT-mediatek.com, gregkh-AT-linuxfoundation.org, devicetree-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org, linux-arm-kernel-AT-lists.infradead.org, linux-media-AT-vger.kernel.org, devel-AT-driverdev.osuosl.org |
On 02/03/2017 06:41 AM, Laurent Pinchart wrote:
> Hello,
>
> On Wednesday 01 Feb 2017 16:19:27 Steve Longerbeam wrote:
>> On 02/01/2017 01:30 AM, Philipp Zabel wrote:
>>
>>> media-ctl propagates the output pad format to all remote subdevices'
>>> input pads for all enabled links:
>>>
>>> https://git.linuxtv.org/v4l-utils.git/tree/utils/media-ct...
>>> #n693
>> Ah cool, I wasn't aware media-ctl did this, but it makes sense and
>> makes it easier on the user.
> To be precise, userspace is responsible for propagating formats *between*
> subdevs (source to sink, over a link) and drivers for propagating formats *in*
> subdevs (sink to source, inside the subdev).
Hi Laurent, yes thanks for that clarification.
Steve
