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=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 8D5E3C433E0 for ; Mon, 8 Feb 2021 16:45:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 59DF964E8C for ; Mon, 8 Feb 2021 16:45:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234485AbhBHQpY (ORCPT ); Mon, 8 Feb 2021 11:45:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43742 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233889AbhBHQpL (ORCPT ); Mon, 8 Feb 2021 11:45:11 -0500 Received: from mail-ej1-x630.google.com (mail-ej1-x630.google.com [IPv6:2a00:1450:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DF9CDC06178B for ; Mon, 8 Feb 2021 08:44:29 -0800 (PST) Received: by mail-ej1-x630.google.com with SMTP id w1so25836675ejf.11 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=gSdYsn8DJ8ab5slvVX3a6/qQvGEog9tRqfh3CL4OwIZ6chBuS7KLlo9wba8RzgOqYP snkSXTe21igBl0XEaBKzS8GnfzchXv8A3ID4oS53uJ1UggzchmMrElm+yBo1wPDiWgbM qAMpUXdk2ojVKg1krE0dwHv/ZpfCx8UHIpqn3p+k7OMZ1rAFF6FfnwiVV6CI+Du2JI2f j81r6XKke0fbZhR5F3nDNezZVZqAcbBYNATZTvJjcC8p4via+UpnJZNkXfKXFfn9SEo1 l1MzwzPRC82Qp7xjbAd4X7H5xvWyHzgfwGn157jULp0/S9YxyjJPqQv+JpiYuFm8L4BD SNSQ== X-Gm-Message-State: AOAM5314MjtF9z0WYYdQLbT8zPtZUDNuKIRdP0UYJJ6iNV5LLUv+dnR0 2/XmlRjlD+FXOSzuvVnwWki1z/CyYgFmED/9PqAibn7egTateQ== X-Google-Smtp-Source: ABdhPJyKqV2vMeSrf8JQ+AtG+5a/mZmdZnTnaSiQz01HCyKyFWXKOg/sJgmNIlk0XZRVJK95ma4QX+ZTc/IXqh3MNsY= 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-acpi@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