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;
Received-SPF: Pass (protection.outlook.com: domain of analog.com designates
 137.71.25.57 as permitted sender) receiver=protection.outlook.com;
 client-ip=137.71.25.57; helo=nwd2mta4.analog.com;
Reply-To: <michael.hennerich@analog.com>
Subject: Re: [PATCH 4/5] backlight: adp5520: document sysfs attributes
To:     Aishwarya Pant <aishpant@gmail.com>,
        Lee Jones <lee.jones@linaro.org>,
        Daniel Thompson <daniel.thompson@linaro.org>,
        Jingoo Han <jingoohan1@gmail.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        <dri-devel@lists.freedesktop.org>, <linux-fbdev@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, Jonathan Corbet <corbet@lwn.net>,
        Greg KH <gregkh@linuxfoundation.org>
CC:     Julia Lawall <julia.lawall@lip6.fr>
References: <cover.1516978005.git.aishpant@gmail.com>
 <fe0d47871d84f83a927e139928afaf754141b7fe.1516978005.git.aishpant@gmail.com>
From:   Michael Hennerich <michael.hennerich@analog.com>
Organization: Analog Devices Inc.
Message-ID: <53d4187f-98e3-4227-fdae-8a80f3ae3132@analog.com>
Date:   Thu, 1 Feb 2018 17:28:06 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101
 Thunderbird/52.6.0
MIME-Version: 1.0
In-Reply-To: <fe0d47871d84f83a927e139928afaf754141b7fe.1516978005.git.aishpant@gmail.com>
Content-Type: text/plain; charset="utf-8"; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
SpamDiagnosticOutput: 1:99
SpamDiagnosticMetadata: NSPM
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Feb 2018 16:25:08.1943
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: c9630189-d4b0-44e1-3046-08d569905c2e
X-MS-Exchange-CrossTenant-Id: eaa689b4-8f87-40e0-9c6f-7228de4d754a
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=eaa689b4-8f87-40e0-9c6f-7228de4d754a;Ip=[137.71.25.57];Helo=[nwd2mta4.analog.com]
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR03MB2718
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On 26.01.2018 15:54, Aishwarya Pant wrote:
> Add documentation for sysfs interface of adp5520/adp5501 analog devices
> backlight driver by reading code and looking through git commit logs.
> 
> Signed-off-by: Aishwarya Pant <aishpant@gmail.com>

Acked-by: Michael Hennerich <michael.hennerich@analog.com>

> ---
>   .../ABI/testing/sysfs-class-backlight-adp5520      | 31 ++++++++++++++++++++++
>   1 file changed, 31 insertions(+)
>   create mode 100644 Documentation/ABI/testing/sysfs-class-backlight-adp5520
> 
> diff --git a/Documentation/ABI/testing/sysfs-class-backlight-adp5520 b/Documentation/ABI/testing/sysfs-class-backlight-adp5520
> new file mode 100644
> index 000000000000..34b6ebafa210
> --- /dev/null
> +++ b/Documentation/ABI/testing/sysfs-class-backlight-adp5520
> @@ -0,0 +1,31 @@
> +sysfs interface for analog devices adp5520(01) backlight driver
> +---------------------------------------------------------------
> +
> +The backlight brightness control operates at three different levels for the
> +adp5520 and adp5501 devices: daylight (level 1), office (level 2) and dark
> +(level 3). By default the brightness operates at the daylight brightness level.
> +
> +What:		/sys/class/backlight/<backlight>/daylight_max
> +What:		/sys/class/backlight/<backlight>/office_max
> +What:		/sys/class/backlight/<backlight>/dark_max
> +Date:		Sep, 2009
> +KernelVersion:	v2.6.32
> +Contact:	Michael Hennerich <michael.hennerich@analog.com>
> +Description:
> +		(RW) Maximum current setting for the backlight when brightness
> +		is at one of the three levels (daylight, office or dark). This
> +		is an input code between 0 and 127, which is transformed to a
> +		value between 0 mA and 30 mA using linear or non-linear
> +		algorithms.
> +
> +What:		/sys/class/backlight/<backlight>/daylight_dim
> +What:		/sys/class/backlight/<backlight>/office_dim
> +What:		/sys/class/backlight/<backlight>/dark_dim
> +Date:		Sep, 2009
> +KernelVersion:	v2.6.32
> +Contact:	Michael Hennerich <michael.hennerich@analog.com>
> +Description:
> +		(RW) Dim current setting for the backlight when brightness is at
> +		one of the three levels (daylight, office or dark). This is an
> +		input code between 0 and 127, which is transformed to a value
> +		between 0 mA and 30 mA using linear or non-linear algorithms.
>