From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00B92C5DF65 for ; Wed, 6 Nov 2019 20:57:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B8618217F5 for ; Wed, 6 Nov 2019 20:57:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="LGMmjZcS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732703AbfKFU5u (ORCPT ); Wed, 6 Nov 2019 15:57:50 -0500 Received: from lelv0143.ext.ti.com ([198.47.23.248]:33598 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727351AbfKFU5t (ORCPT ); Wed, 6 Nov 2019 15:57:49 -0500 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id xA6KuoVG060089; Wed, 6 Nov 2019 14:56:50 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1573073810; bh=Plw/lbdrFcvrm9T9odjvQNPtgzwCDC6FvtsotYqC7GM=; h=Date:From:To:CC:Subject:References:In-Reply-To; b=LGMmjZcS+HM5DoqX16SqLq1uXNIdkdpY1gzHHhtt/nxx05046NJmFiqaXviGgFWnp 8gZfNx3KTynHwsqVhCEzS7ugmLqYAD7Wqae1S+/CGgztn9iSjEnoHPT7JrkzJCiPeS rl0FF9kYDYLxz9zNixqf2ogoWAcN12MCJF/y6n8g= Received: from DFLE108.ent.ti.com (dfle108.ent.ti.com [10.64.6.29]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id xA6KuoT8036801 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 6 Nov 2019 14:56:50 -0600 Received: from DFLE112.ent.ti.com (10.64.6.33) by DFLE108.ent.ti.com (10.64.6.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3; Wed, 6 Nov 2019 14:56:35 -0600 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3 via Frontend Transport; Wed, 6 Nov 2019 14:56:35 -0600 Received: from ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with SMTP id xA6Kuomh043436; Wed, 6 Nov 2019 14:56:50 -0600 Date: Wed, 6 Nov 2019 14:59:51 -0600 From: Benoit Parrot To: Sakari Ailus CC: Hans Verkuil , , Rob Herring , , Subject: Re: [Patch v2 15/20] media: ti-vpe: cal: Add subdev s_power hooks Message-ID: <20191106205951.v7iisesmy7hcvozo@ti.com> References: <20191104193140.31145-1-bparrot@ti.com> <20191104193140.31145-16-bparrot@ti.com> <20191106090839.GD6253@valkosipuli.retiisi.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20191106090839.GD6253@valkosipuli.retiisi.org.uk> User-Agent: NeoMutt/20171215 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sakari Ailus wrote on Wed [2019-Nov-06 11:08:39 +0200]: > Hi Benoit, > > On Mon, Nov 04, 2019 at 01:31:35PM -0600, Benoit Parrot wrote: > > Based on V4L2 documentations bridge driver must power on and off sub > > device explicitly if media-controller mode is not used. > > This isn't really related to MC but the fact that V4L2 still uses a > V4L2-specific way to manage power state of devices that predates runtime > PM. I'll fix the description. > > -- > Regards, > > Sakari Ailus