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[23.128.96.18]) by mx.google.com with ESMTP id v20si12370667ejf.718.2021.02.08.10.45.33; Mon, 08 Feb 2021 10:45:59 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@baylibre-com.20150623.gappssmtp.com header.s=20150623 header.b=GuFBMRbn; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235907AbhBHSnX (ORCPT + 99 others); Mon, 8 Feb 2021 13:43:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234145AbhBHQpL (ORCPT ); Mon, 8 Feb 2021 11:45:11 -0500 Received: from mail-ej1-x631.google.com (mail-ej1-x631.google.com [IPv6:2a00:1450:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 01D32C06178C for ; Mon, 8 Feb 2021 08:44:30 -0800 (PST) Received: by mail-ej1-x631.google.com with SMTP id w2so25832054ejk.13 for ; Mon, 08 Feb 2021 08:44:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=F5h9xONdIWO5O+NZW8RLLN3OmuA966870wfg1CztF70=; b=GuFBMRbnPQ8pXKUdxj0VtNYSL300l5WkcePJdYmjXzfi7LGaVwJlT6ujKwJLw3kOq/ C/V/WcVNkp3pWAVyhNBXqtorF/P30JYsm4dBdwnxp50KmlP2HRTEOr/z4BMirtRJfwz9 19nMSlyffU0AfKRVDXw6wxPd5keybnQB9bQsjKphz4eP7dF+eVQrraIkDDRovjbFVlOy Xk6O5m7sAv+fCLWPpRCzX2yNaq2trCh1JLV9bTt3cNJTjQ63yF/DgSY8W8BGDCkAJdse BaTxgRiEoLjcs3C7EDhQDW45qEECjjUINMuKJOXySgEIeaIHKhR5uePUog0uldRTvgW6 8OAg== 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=F5h9xONdIWO5O+NZW8RLLN3OmuA966870wfg1CztF70=; b=Y7BtaA1d17TGOlMcu9I2sBF9GdRkloX8nSrGNUJndP6HgD74oXMnDPW8qehcFsIE8J 4MUkCcFSdb+ud3cWmlrtYhVbFh/XahcxSJfuVSEDCqNbseFBMiEZ5CfR0srF9glDgctD oCiI7exDBeXkFxF/QdEvhoKop+iOOk341xngg5zvGTFXQ56e4BDOc1OXZTU+Uva0C2bS 8l6FI5/eV6GOovoJeYW8akNeI9eDcNXAbRfSiWfiVusJIz92o6VTDrCGMfg4BgfdTc8i X0nHuxdeg2kyD2//2HFoim/9kKBynOl9M8orYEuSW7paY1niTjLTPTDQ28qgVkQx2r16 +m5w== X-Gm-Message-State: AOAM532beWhN8YwQ716uVn9SQanHB12CrP5FctetKabL/p+o+Q6lSQ40 OuFOvnzZn4bDwxR1/GJFVIoFCzHXhABUZBl0eJAbqA== X-Received: by 2002:a17:906:8053:: with SMTP id x19mr17403771ejw.470.1612802668667; Mon, 08 Feb 2021 08:44:28 -0800 (PST) MIME-Version: 1.0 References: <20210205132505.20173-1-sakari.ailus@linux.intel.com> <20210205132505.20173-8-sakari.ailus@linux.intel.com> In-Reply-To: <20210205132505.20173-8-sakari.ailus@linux.intel.com> From: Bartosz Golaszewski Date: Mon, 8 Feb 2021 17:44:17 +0100 Message-ID: Subject: Re: [PATCH v10 7/7] at24: Support probing while off To: Sakari Ailus , "Rafael J. Wysocki" Cc: linux-i2c , Wolfram Sang , ACPI Devel Maling List , LKML , Greg Kroah-Hartman , Rajmohan Mani , Tomasz Figa , Bingbu Cao , Chiranjeevi Rapolu , Hyungwoo Yang , linux-media Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 5, 2021 at 2:25 PM Sakari Ailus wrote: > > In certain use cases (where the chip is part of a camera module, and the > camera module is wired together with a camera privacy LED), powering on > the device during probe is undesirable. Add support for the at24 to > execute probe while being powered off. For this to happen, a hint in form > of a device property is required from the firmware. > > Signed-off-by: Sakari Ailus > Reviewed-by: Tomasz Figa > --- I'll ack this but I still claim that the name acpi_dev_state_low_power() is super misleading for this use-case and I've been saying that for 10 versions now with everyone just ignoring my remarks. :/ Acked-by: Bartosz Golaszewski