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Wysocki" , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , rajmohan.mani@intel.com, Tomasz Figa , Bartosz Golaszewski , Bingbu Cao , Chiranjeevi Rapolu , Hyungwoo Yang , linux-media@vger.kernel.org References: <20210205132505.20173-1-sakari.ailus@linux.intel.com> <20210205132505.20173-4-sakari.ailus@linux.intel.com> <4894ef52-71f5-c651-c45b-4788f0e24162@infradead.org> <20210208080108.GL32460@paasikivi.fi.intel.com> From: Randy Dunlap Message-ID: Date: Mon, 8 Feb 2021 07:52:02 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: <20210208080108.GL32460@paasikivi.fi.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2/8/21 12:01 AM, Sakari Ailus wrote: > Hi Randy, > > On Fri, Feb 05, 2021 at 04:56:47PM -0800, Randy Dunlap wrote: >> On 2/5/21 5:25 AM, Sakari Ailus wrote: >>> Document the use of the _DSE object for setting desirable power state >>> during probe. >>> >>> Signed-off-by: Sakari Ailus >>> Reviewed-by: Tomasz Figa >>> --- >>> Documentation/firmware-guide/acpi/index.rst | 1 + >>> .../firmware-guide/acpi/low-power-probe.rst | 69 +++++++++++++++++++ >>> 2 files changed, 70 insertions(+) >>> create mode 100644 Documentation/firmware-guide/acpi/low-power-probe.rst >>> >> >>> diff --git a/Documentation/firmware-guide/acpi/low-power-probe.rst b/Documentation/firmware-guide/acpi/low-power-probe.rst >>> new file mode 100644 >>> index 0000000000000..b96804d959a6c >>> --- /dev/null >>> +++ b/Documentation/firmware-guide/acpi/low-power-probe.rst >>> @@ -0,0 +1,69 @@ >>> +.. SPDX-License-Identifier: GPL-2.0 >>> + >>> +====================================== >>> +Probing I²C devices in low power state >>> +====================================== >>> + >>> +Introduction >>> +============ >>> + >>> +In some cases it may be preferred to leave certain devices powered off for the >>> +entire system bootup if powering on these devices has adverse side effects, >>> +beyond just powering on the said device. >>> + >>> +How it works >>> +============ >>> >> >> Hi, >> >> Please don't use ============ underlines for all section levels. > > The sections under the title are intended to be on the same level. > Oops. My bad. Sorry about that. -- ~Randy