From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 2E4673CF1F1; Fri, 14 Aug 2026 07:20:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786692022; cv=none; b=drUzPtoysj6MWjnsW3PXxKyirsRmTDeVRb4473UJl/eciZffgBDS1aG5mjcWAcDCn/3XIXka6LOClQRBtDRyekVuUZotaSH/AMuj50wHcz8bQBYbEF/c6uUUjlgql01UoA/KM/RmGT3nyckBNQUAMlL6uZkwjNG6Qh376Qv07UI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786692022; c=relaxed/simple; bh=w+WpSVw2yEnnmE3zvDptHiVgm/kYKSKeHflx6cIoAXI=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=cKuKxqK/DODxrXyp7UIOyWKbivyJRfLg2rHTFKSqMInu8ajm1Raw+gGF04jLBq18wMwwYEFU6mknmi4RygmUhNet780wkHibM15NJtj9VWuztPlFh22WKDLKs9xjnZl3WpZwzc8NWoDEi/jYRI+1boMpoxG6PjDzQCF2DJmTDGQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WkcqR3iF; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WkcqR3iF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7202C1F000E9; Fri, 14 Aug 2026 07:20:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786692021; bh=JVIVOKHCKzV9SZcORHvY1pzxe6xRMLZuTKnCtD2MggQ=; h=From:To:Cc:Subject:In-Reply-To:References:Date; b=WkcqR3iFF0IE4Atzv+OabTALAfUhM3C/+sqOPteq1bT1a3eXWteSyshv+3FyPZ7y+ ef+EhY7npehhab79cQ/r5KyIDXeZ99K4iQLmPgsZ2cBM+DOG4fITjIPCE64KVHmEmJ gdvdIMMbOA8/Iqf2aR/URhSzGGZZ4wEsNyZTl3AZMmxr35fWLYOLZRvKs8MVl94jlm ye3SSPyUJK5S5XmiCIN2LxI4D/afpdG/7t4Ru0/usD4LRmLxRpQUzWX/tFXNi3cUpo BdWwVCLXDWHT0wjeoVG5+3nZ6hX7kK/cLeX1l7Yodj293Jzr+itQi9fXCiMmd4vQcA LhHSkcbgAYCgg== From: Mattijs Korpershoek To: Yemike Abhilash Chandra , Mattijs Korpershoek , Sakari Ailus , Dave Stevenson , Mauro Carvalho Chehab Cc: Jai Luthra , Vaishnav Achath , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Jai Luthra , "Kumar, Udit" Subject: Re: [PATCH] media: i2c: imx219: Implement .get_frame_desc() In-Reply-To: <892b7261-16b3-40f7-ae31-af9bb483a27a@ti.com> References: <20260813-imx219-frame-desc-v1-1-2a22488a0535@kernel.org> <892b7261-16b3-40f7-ae31-af9bb483a27a@ti.com> Date: Fri, 14 Aug 2026 09:20:17 +0200 Message-ID: <87v79d183y.fsf@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Hi Yemike, On Thu, Aug 13, 2026 at 21:12, Yemike Abhilash Chandra wrote: > Hi Mattijs, > Thanks for the patch. > > On 13/08/26 20:41, Mattijs Korpershoek wrote: >> From: Vaishnav Achath >> >> The next subdev in the media graph may want to enquire information such >> as bus format, virtual channel, bus data type to route the stream from >> this sensor correctly. >> >> Add support for sharing this information using the .get_frame_desc() >> callback. >> >> Signed-off-by: Vaishnav Achath >> Signed-off-by: Jai Luthra >> Signed-off-by: Yemike Abhilash Chandra >> Signed-off-by: Mattijs Korpershoek >> --- > > FYI, similar variant of this is already posted by Tomi recently [1]. Oh, I completely missed this. I did search on lore, but not good enough, apparently. Thanks for the pointer. I'm happy to drop my patch then. > > On that patch, quoting Sakari [2]: > > "I've been recently working on > . > In other words, drivers that have a single stream don't need this. We could > probably extend that further by making use of the routing information but I > think that should be left for later." > > I don't really know the status of that series. I will let Sakari to comment. Thanks, I'll have a look! > > Thanks and Regards, > Yemike Abhilash Chandra > > > [1]: > https://lore.kernel.org/all/20260611-imx219-frame-desc-v1-1-fe7e975bca6e@ideasonboard.com/ > [2]: https://lore.kernel.org/all/aip-xwYlKT1d3N0S@kekkonen.localdomain/#t > >