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[209.132.180.67]) by mx.google.com with ESMTP id f10si5334063oij.109.2020.03.10.04.18.11; Tue, 10 Mar 2020 04:18:22 -0700 (PDT) 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=UWEOl2hn; 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 S1726520AbgCJLRi (ORCPT + 99 others); Tue, 10 Mar 2020 07:17:38 -0400 Received: from mail-ot1-f65.google.com ([209.85.210.65]:45462 "EHLO mail-ot1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726385AbgCJLRi (ORCPT ); Tue, 10 Mar 2020 07:17:38 -0400 Received: by mail-ot1-f65.google.com with SMTP id f21so12701396otp.12; Tue, 10 Mar 2020 04:17:36 -0700 (PDT) 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=m09U5Nj3Yoc7UUHoM3/K3YvvnK5tLs5UgDhB2bnbB7s=; b=UWEOl2hn0i6+civfP1gv0gPmQwxE4CF6xj/4mYyIYXRpIxVZwunziiWbLGexnCHfuZ WAadVKx04+a0iRAb/rnVieVBkWuLoUaRBBItAD8rAgp8nn+rzgaMOaRuyosEG7KYkidQ Eii+l29ipjRGEomNmFP09PPcZWzCTu6ORe09toaXlT5ElKkPbReHKXS49GVhUn/888lc 5bb47DGtrwGV+kkkTSyX8v0pBOsk2+Ea3PTNiJm3eVNIwiT99zFoTeW3abX+XGgyv5Bp EOJAgjh5LO6H46zOF8KQke/MnRrYlbyENrZjrwJPYhYBWy7SQRciY/QSHq0YkW1PIruB fVkQ== 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=m09U5Nj3Yoc7UUHoM3/K3YvvnK5tLs5UgDhB2bnbB7s=; b=GbA8Bg/92CAn6bDfLbaWrlB0WQZFz90m0Z7Av2VtTgEkMz89uvEWKGO7WeVpLRijVb caHpOtKKRES80AChSNgS6bAIYBpgK7ay+WoK78UAJjXBt/Jwt+Glo0EZv5cd7CRvOBFE K8fzSoMzWN4K55o666QNqfT2zEbq/MmRkpJZPZu7aPaBsOiiBmhmpo7lj4+FUD7RqgV/ ie/oirwFeaUJx//MyEXl7+ewl1v2s4nkln5hI9k07GO4Y7UQ7Jef3JzYG+5kF+0pBAwV hukXHrZ0QzSIGZ4lT3slwERUASz9PQsxFX+B8jX/w2ScPKSyUxshNXhlPIerBS3GCptc xkzA== X-Gm-Message-State: ANhLgQ3MSekVgARJgRO6vG2nK3p1G14FA9v/6p/D8E2NubfQ01/4erW8 mjQ+5OXlQYaPQFlPpKIjsk/hhix4cvo01FbFCY0= X-Received: by 2002:a9d:64cd:: with SMTP id n13mr16686281otl.274.1583839056416; Tue, 10 Mar 2020 04:17:36 -0700 (PDT) MIME-Version: 1.0 References: <20200228164126.17517-1-prabhakar.mahadev-lad.rj@bp.renesas.com> <20200305114314.GP5379@paasikivi.fi.intel.com> In-Reply-To: From: "Lad, Prabhakar" Date: Tue, 10 Mar 2020 11:17:10 +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 Fri, Mar 6, 2020 at 10:18 AM Lad, Prabhakar wrote: > > 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. > Any thoughts on how this could be handled ? Cheers, --Prabhakar