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[209.132.180.67]) by mx.google.com with ESMTP id u24si1122369otk.287.2020.03.06.02.20.37; Fri, 06 Mar 2020 02:20:49 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=p9wLAfZ0; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726413AbgCFKTK (ORCPT + 99 others); Fri, 6 Mar 2020 05:19:10 -0500 Received: from mail-ot1-f66.google.com ([209.85.210.66]:44061 "EHLO mail-ot1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726010AbgCFKTK (ORCPT ); Fri, 6 Mar 2020 05:19:10 -0500 Received: by mail-ot1-f66.google.com with SMTP id v22so1870031otq.11; Fri, 06 Mar 2020 02:19:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=IoHyFheQbLvWaqu8JmtXrevLVQ2eNF1/ry5EBSUAxhI=; b=p9wLAfZ0san/NF6WFjAtmFuQ94dW+jXKMoUSjddo2ccb+2JWERyMVU3orURu6BMrLd MV/YtCL21b7jaf9NhIrWkoH3FqdM0tSaJ4W9JNmBNYOIo1tev64UoSz7D/SLiE7+69PF VplsjRc4fy4/0BE2lpf4mkytKpEHzAdEh2Ho0a7b6MucZsG4UDeflqYGjUiscFz0H/T/ 63nGI1j+jrdvNPkdGJBUXRyf6hiELfw4aBF3B7CQTNATbaa0q8kvj7lF+dcdteIt8lYD hWXpWvgquW9//nh5OydbcL3GJ+hzS1LN81drgOIQXSVf4h3y2badceTkjB6uTqNMuORR o/cQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=IoHyFheQbLvWaqu8JmtXrevLVQ2eNF1/ry5EBSUAxhI=; b=WFeyu/LH+dpMQAiKapV/Us48QH1EA6Z5VU0OvTCUI54nsMvDCl+88kc/TXRdMzAUso W3bXdLYgYxbBN4yK8aTJUYoJkR7h4STWxmY231JI7iAJw4ksYkUkT7yFQOjxXOjWwDHE VrjG9CktT/BwE/x3k9yasxI6AzZgVSeZSHBmnu2hO6pageSk49Lxm1JINTPAc0p3C0e3 hYQcY1Ft5SmOoJ4gk02j3khu4Yzgwv47Ik5tAOjerOoGhfp06NGMcL5GBhceGC9qTWcK 5N3cykoZSCW5g5InePFuCsyW9jF8G6wjlK4ydoBORs/VQsDi6bAP1tmkXb7O70xyOukF KCSw== X-Gm-Message-State: ANhLgQ0mcWlB/w9vNaswxTX7mCAXv5+D3rItplG0tI7hKx3ZMJw4Zgxc Z24dl5P8LIgF8kwrbtVjWVRfOtobQl6d/sy4Eiw= X-Received: by 2002:a9d:6d85:: with SMTP id x5mr1917571otp.176.1583489949499; Fri, 06 Mar 2020 02:19:09 -0800 (PST) MIME-Version: 1.0 References: <20200228164126.17517-1-prabhakar.mahadev-lad.rj@bp.renesas.com> <20200305114314.GP5379@paasikivi.fi.intel.com> In-Reply-To: <20200305114314.GP5379@paasikivi.fi.intel.com> From: "Lad, Prabhakar" Date: Fri, 6 Mar 2020 10:18:43 +0000 Message-ID: Subject: Re: [PATCH] media: i2c: ov5645: Add virtual_channel module parameter To: Sakari Ailus Cc: Mauro Carvalho Chehab , Fabio Estevam , linux-media , LKML , Lad Prabhakar , Jacopo Mondi Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Sakari, On Thu, Mar 5, 2020 at 11:43 AM Sakari Ailus wrote: > > Hi Prabhakar, > > On Fri, Feb 28, 2020 at 04:41:26PM +0000, Lad Prabhakar wrote: > > OV5645 can operate in virtual channel 0-3 in CSI2 interfaces, this patch > > adds support for module parameter virtual_channel to select the required > > channel. By default OV5645 operates in virtual channel 0. > > What's your use case for different virtual channels? > Just ability to switch to different virtual channel, based on ov5640 driver. The rcar-csi2 has capability to capture from multiple channels so that we can capture simultaneously from two sensors. Cheers, --Prabhakar > -- > Regards, > > Sakari Ailus