From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2025953B327 for ; Thu, 1 Oct 2026 21:08:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790888923; cv=none; b=SgqEkUQCXGJZoOCEU1nvwxSTrvH4CE33hevu5L+3tmqKWXPllHeuaykKCfGT+HvIhE2W1IexVagi+J/j0SLkQKSSt5v0lz2c0vx6L/URYjQisJoxxb91qenhFqFgWSY9UWCbpFEJW+ENsq8jda3ikfB+MAK5VANp6kO1i+GWZRQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790888923; c=relaxed/simple; bh=6Z3tna5cMVxXhYOUBrKXTKBorvQ1p/A0XiSpw+r7W30=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=NiiYparzs5SCcKVH1PEY1u19pEP3PNrlVSUGN8XPWdzyt2aD8Li2MhzVgq9I6VtDzF5p9J3cHpqxUsZq+xfldrbfq9FDIwdGS2xtfZy0/huL7CkkfcpiODZQ9CCNejIHjYXD6Q7JJID6Zw1IoARy+8aRoTZ+juA2jo/DVpJ1Tuo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=a7JBcWwY; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="a7JBcWwY" Received: from killaraus.ideasonboard.com (2001-14ba-70f3-e800--a06.rev.dnainternet.fi [IPv6:2001:14ba:70f3:e800::a06]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 345F7269; Thu, 1 Oct 2026 23:06:47 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1790888807; bh=6Z3tna5cMVxXhYOUBrKXTKBorvQ1p/A0XiSpw+r7W30=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=a7JBcWwYim9e6twd1kTGIHMyXU9dzofELE/CBOfK7agIxc4I7sC1pLYEIyLS0AMxh 0LwJJduo68z8cl6189rcOJM6DcI6gBUjOIfZS9Ed4U00fFmEHxvF7HaS43qIpLo9uA z+5uMcJ6qP9p8r2ztr0AlEfqe5sNyQYlOu3bJhA0= Date: Fri, 2 Oct 2026 00:08:38 +0300 From: Laurent Pinchart To: Rishikesh Donadkar Cc: libcamera-devel@lists.libcamera.org, linux-media@vger.kernel.org Subject: Re: [ANNOUNCEMENT] Camera & ISP at Linux Plumbers Conference Message-ID: <20261001210838.GR944070@killaraus.ideasonboard.com> References: <20260914233810.GA2796257@killaraus.ideasonboard.com> <22a0424b-c67d-4dcc-a31c-26acd764c653@ti.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <22a0424b-c67d-4dcc-a31c-26acd764c653@ti.com> Hi Rishikesh, On Thu, Oct 01, 2026 at 11:49:17AM +0530, Rishikesh Donadkar wrote: > On 15/09/26 05:08, Laurent Pinchart wrote: > > Hello, > > > > As most of you already know, the Linux Plumbers Conference will host a > > Camera & ISP BoF in Prague in three weeks ([1]). > > > > The initial proposal for a microconference has unfortunately been > > downgraded by the program committee to a 45 minutes BoF. We have > > therefore decided to limit the discussion to three topics at most. Two > > topics have been approved so far: > > > > - RGB-IR support in V4L2 and libcamera > > > > by Rishikesh Donadkar and Devarsh Thakkar, Texas Instruments > > > > The Linux kernel V4L2 API does not support RGB-IR image sensors. > > While building blocks necessary to handle those devices are slowly > > being merged, RGB-IR support itself hasn't been tackled yet. > > > > Rishikesh and Devarsh will also present this topic at the OSS Europe > > conference ([2]). > > Hello everyone, > > I have submitted an RFC for the OV2312 camera sensor driver[1]. This > patch series proposes the use of array controls to facilitate setting > controls for both the RGB and IR streams coming out of the camera > subdevice. > > I would greatly appreciate your feedback and thoughts on this approach. > > [1] https://lore.kernel.org/all/20260925133001.2780868-1-r-donadkar@ti.com/#t Thank you for doing so. I strongly encourage every attendee of the BoF to at least read the proposal ahead of time, and ideally start discussing it on the mailing list. > > > > - Camera module identification > > > > by Stefan Klug, Ideas on Board > > > > Camera tuning and calibration depend not only on the image sensor, but > > also on the lens and other characteristics of camera modules. While > > Linux supports identifying image sensors, it completely lacks the > > concept of camera modules. > > > > Identification of camera modules requires coordination between > > platform firmware (DT or ACPI), the kernel and userspace. Discussions > > will benefit from the presence of DT maintainers. > > > > We can consider scheduling a third topic. Proposals are welcome. > > > > Due to the 45 minutes BoF format, we will focus on discussions and won't > > be able to afford presentations. All topic leads are expected to > > circulate discussion materials on public mailing lists at least a week > > before the event to give attendees time to read through proposals. The > > materials should summarize the issue at hand and the ongoing work, and > > clearly state the questions that will be discussed during the BoF. > > Slides that support the discussions, if any, should also be submitted > > prior to the event. > > > > If there is enough interest, I am considering booking a meeting room on > > Wednesday morning (location to be determined, likely outside of the LPC > > venue) to extend the BoF. We could continue discussions on the topics > > listed above, as well as schedule additional topics. We would overlap > > with the following LPC microconferences: > > > > - Networking Track > > - Containers and checkpoint/restore MC > > - Rust MC > > - Scheduler and Real-Time MC > > - Build Systems MC > > > > Please let me know if you would be interested in attending a Wednesday > > morning session by replying to this e-mail (publicly or privately). If > > you would like to propose additional topics, please do so publicly. > > > > > > [1] https://lpc.events/event/20/contributions/2364/ > > [2] https://osselceu2026.sched.com/event/2RaZj/enabling-multi-stream-camera-sensors-in-linux-rgb+ir-streams-and-embedded-metadata-rishikesh-donadkar-devarsh-thakkar-texas-instruments -- Regards, Laurent Pinchart