wiki: Add Multimedia chat logs for 20191219, 20200227 and 20200319

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

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+10:04 < pinchartl> welcome to the multimedia meeting
+10:04 < pinchartl> Topic 1. Status Check for the Multimedia Tasks
+10:05 < pinchartl> * Jacopo
+10:05 < pinchartl> Since last meeting:
+10:05 < pinchartl> - V4L2 subdev bus configuration API
+10:05 < pinchartl> Extend the V4L2 framework to provide an operation to configure bus
+10:05 < pinchartl> parameters to allow CSI-2 data lane negotiation between ADV748x and
+10:05 < pinchartl> R-Car CSI-2.
+10:05 < pinchartl>   -[PATCH 0/4] v4l2-subdev: Introduce get_mbus_format pad op
+10:05 < pinchartl> - MAX9286 parameter configuration options
+10:05 < pinchartl>   - [PATCH 0/5] media: i2c: max9286: Add configuration properties
+10:05 < pinchartl> - Patch review and discussion
+10:05 < pinchartl>   - [PATCH] media: v4l2-async: Accept endpoints and devices for fwnode matching
+10:05 < pinchartl>   - [PATCH v7 2/2] media: i2c: Add MAX9286 driver
+10:05 < pinchartl>   - [periperi] kernel v5.4 VIN multi camera
+10:05 < pinchartl>   - [PATCH] [RFC] media: rcar-vin: don't wait for stop state on clock lane during start of CSI2
+10:05 < pinchartl> Until next meeting: TBD
+10:05 < pinchartl> Issues and blockers: None
+10:05 < pinchartl> jmondi: any comment ?
+10:05 < jmondi> that I forgot point B) :)
+10:05 < pinchartl> I was wondering about it :-)
+10:06 < pinchartl> so what do you plan to do until next meeting ?
+10:06 < jmondi> - defined max9286 negotiation parameters including new use cases (eg Xilinx using max96705)
+10:06 < jmondi> - conitnue pushing get_mbus_config() to support adv748x-rcar-csi2 date lane negotiation
+10:07 < jmondi> sorry, I left those points out :/
+10:07 < jmondi> nothing more to add
+10:07 < pinchartl> no worries
+10:07 < pinchartl> * Kieran
+10:07 < pinchartl> Since last meeting:
+10:07 < pinchartl> - MAX9286/GMSL ongoing development (and support with Jacopo)
+10:07 < pinchartl> - Async matching developments and review
+10:07 < pinchartl> Driven by both the MAX9286 posting, and then Laurent's version driven by
+10:07 < pinchartl> the RZ/G1.
+10:07 < pinchartl> - FCP Max segment size bug fix
+10:07 < pinchartl> No segment size is set, and the core defaults to SZ_64K.
+10:07 < pinchartl> - Patch review
+10:07 < pinchartl> Until next meeting: TBD
+10:07 < pinchartl> Issues and blockers: None
+10:07 < pinchartl> kbingham: any comment ?
+10:08 < kbingham> TBD? Did I also leave it blank?
+10:08 < pinchartl> as far as I can tell...
+10:09 < kbingham> # Until next meeting
+10:09 < kbingham>  - Continue to push towards some integration of MAX9286, along with Jacopo
+10:09 < pinchartl> ah no you didn't
+10:09 < pinchartl> I was just too tired :-S
+10:09 < pinchartl> sorry
+10:10 < pinchartl> thank you
+10:10 < pinchartl> * Laurent
+10:10 < pinchartl> Since last meeting:
+10:10 < pinchartl> - Fix V4L2 async endpoint match
+10:10 < pinchartl> Sent a new fix for the incompatibility between V4L2 subdevs and bridges.
+10:10 < pinchartl> Feedback has been provided, a new version is needed, with minor changes.
+10:10 < pinchartl> - V4L2_CAP_IO_MC + VIDIOC_ENUM_FMT
+10:10 < pinchartl> Extended Niklas' V4L2_CAP_IO_MC series with an extension for the
+10:10 < pinchartl> VIDIOC_ENUM_FMT API to bridge the MC and V4L2 APIs.
+10:10 < pinchartl> - V4L2 multiplexed streams
+10:10 < pinchartl> Continued work on V4L2 multiplexed streams, splitting out media bus
+10:10 < pinchartl> configuration that Jacopo has now handled as a separate patch series.
+10:10 < pinchartl> - Patch review
+10:10 < pinchartl> The most notable reviewed topics include
+10:10 < pinchartl>   - DRM bus format negotiation
+10:10 < pinchartl>   - adv748x HDMI audio clock
+10:10 < pinchartl>   - Geert's PWM
+10:10 < pinchartl>   - Niklas' V4L2_CAP_IO_MC and MC graph completion
+10:10 < pinchartl>   - Prabhakar's OV5645
+10:10 < pinchartl> Until next meeting:
+10:10 < pinchartl> - Complete and send the V4L2 multiplexed streams proposal
+10:10 < pinchartl> - Continue DU group rework
+10:10 < pinchartl> Issues and Blockers: No contract for Q2 yet
+10:10 < pinchartl> any question ?
+10:11 < patersonc> Not a question, but thanks all for your reviews of Prabhakar's patches
+10:11 < pinchartl> patersonc: you're welcome
+10:11 < pinchartl> * Morimoto-san
+10:11 < pinchartl> Since last meeting:
+10:11 < pinchartl> - Keep posting ALSA SoC patches
+10:11 < pinchartl> Feedback was provided, and bugs were found.
+10:11 < pinchartl> - Started not go to Renesas Office
+10:11 < pinchartl> Until next meeting:
+10:11 < pinchartl> - Keep posting ALSA SoC patches
+10:11 < pinchartl> Issues and Blockers: Our health
+10:11 < pinchartl> morimoto: any comment ?
+10:12 < morimoto> pinchartl: I ordered Q2 SoW, so you will be happy soon
+10:12 < morimoto> I also wokrd for yaml base Doc, but no responce from ML
+10:12 < morimoto> And, that's it. thanks
+10:12 < pinchartl> morimoto: \p/
+10:12 < pinchartl> thank you
+10:13 < pinchartl> I'll add the yaml work to the report, thank you
+10:13 < pinchartl> * Niklas
+10:13 < pinchartl> Since last meeting:
+10:13 < pinchartl> - [PATCH v3] dt-bindings: rcar-vin: Convert bindings to json-schema
+10:13 < pinchartl> - [PATCH v4 0/3] v4l2-dev/ioctl: Add V4L2_CAP_IO_MC
+10:13 < pinchartl> - [PATCH] vimc: Report a colorspace
+10:13 < pinchartl> - [PATCH v5 0/4] v4l2-dev/ioctl: Add V4L2_CAP_IO_MC
+10:13 < pinchartl> - [PATCH 0/2] v4l2-compliance: add tests for V4L2_CAP_IO_MC
+10:13 < pinchartl> - [RFC 0/5] media-device: Report if graph is complete or not
+10:13 < pinchartl> - [PATCH 0/2] v4l-utils: media-ctl: Print media graph completes if available
+10:13 < pinchartl> - R-Car VIN and CSI-2 have started to get 3rd party contributions!
+10:13 < pinchartl>   Tested, reviewed and tried to guide the effort.
+10:13 < pinchartl> Until next meeting:
+10:13 < pinchartl> - Keep reviewing new iterations of VIN related patches
+10:13 < pinchartl> - If their is time look at Laurent's v4l2-async patch series
+10:13 < pinchartl> Issues and blockers: None
+10:13 < pinchartl> neg: any comment ?
+10:14 < neg> I will also try to look at ENUM_FMT for next meeting
+10:14 < neg> other than that, no comment
+10:15 < pinchartl> thank you
+10:15 < pinchartl> any question or comment from anybody else ?
+10:16 < neg> I'm happy to see we are all collaboratively attacking V4L2 core ;-)
+10:16 < jmondi> I still have that weird issue on RDACM21 to clarify with BSP team
+10:16 < jmondi> but as long as the situation is the current one I don't think there can be any progress
+10:17 < pinchartl> if they can't test it due to lack of hardware access, indeed
+10:17 < jmondi> as most people is not at the office so access to hardware is limited
+10:17 < jmondi> yep
+10:17 < morimoto> jmondi: thank you for helping them
+10:17 < jmondi> morimoto: thank you for your support
+10:17 < jmondi> passing messages between us and BSP team is not fun I guess
+10:18 < pinchartl> maybe someone should go to the office wearing this http://ideasonboard.org/corona-in-finland.jpg to recover the hardware
+10:18 < pinchartl> (the picture was taken in Finland)
+10:18 < morimoto> wow, it is you ?
+10:18 < neg> morimoto: haha
+10:18 < jmondi> ahaha
+10:19 < jmondi> that's how Laurent dresses up when he has to review our patches
+10:19 < kbingham> hahah
+10:19 < morimoto> :)
+10:19 < pinchartl> I don't own such a pretty mask, no :-)
+10:19 < patersonc> There's a video I've seen of someone in a dinosaur suit in tescos
+10:20 < geertu> How do you get the food out of the bags without contaminating it?
+10:21 < wsa> next meeting on April, 9th?
+10:21 < pinchartl> patersonc: that I wish will continue to happen after the epidemic, it's fun :-)
+10:21 < pinchartl> wsa: I was going to ask
+10:21 < pinchartl> Europe will have switched to DST
+10:21 < patersonc> pinchartl: Stocks of the suits are probably low though
+10:21 < jmondi> yeah! we can enjoy more time outside in the ligt
+10:21 < jmondi> ah, no
+10:21 < pinchartl> should we thus move the meeting forward by one hour, or would our Japanese friends prefer meeting an hour earlier ?
+10:21 < jmondi> :(
+10:22 < geertu> jmondi: Do you have a garden? Here enjoying time in your garden is still allowed
+10:23 < jmondi> I have a balcony, it really helps :)
+10:23 < geertu> pinchartl: Usually we let our Japanese friends meet earlier
+10:23 < shimoda22> pinchartl: an hour earlier sounds good to me :)
+10:23 < pinchartl> shimoda22: I suspected it would :-)
+10:24 < pinchartl> let's do that then
+10:24 < pinchartl> any discussion topic for multimedia ?
+10:24 < neg> None from me
+10:24 < kbingham> None here currently.
+10:25 < pinchartl> I then propose adjourning the meeting. does anyone second ?
+10:26 < neg> second
+10:26 < morimoto> 2nd
+10:26 < jmondi> yup yup
+10:27 < pinchartl> meeting adjourned