From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: ARC-Seal: i=1; a=rsa-sha256; t=1516978539; cv=none; d=google.com; s=arc-20160816; b=N7etIpFFDIhG26UgG3WYWngW9JxHjKOR0B4aeB3k4+Z2mtISlwlO1AMoMbRAGPNB8+ TuplqReyobW9lczp1vWuy9RFfJFm0w6GfABjRaaINJrVKU2vZ6QFVhdjKxA3SbMfl/kX uvDO83O1x8zmLP81yKT6b+XBLQtX9qHBRb1mTWIwUvWnMbENFfMj3y4+WaCbYkTCvoFz PJwFYNpsTThaB3N+zvpj5htm0E7x8sV8qMQSIdZwE1pl0ip26YVjP37hVs5Sv3YDOmzV 7D+iHeFU07JfakgqkfCsior6GxGmp4NuN9JeA7Ol+ipzk5sqIgMybt63d8c+VYpJLk+B uMyw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=user-agent:in-reply-to:content-transfer-encoding :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature:arc-authentication-results; bh=fNxOFxSz/YAiD4AxKcS+3r4sV5aK0KuwsJ1xiXt3MjI=; b=rUIucgZofd7H9DGAhfSURNU5RdWutXaP1RClCZfW+UqC7pjBepyd5Bt1dwzJcY2UaT pl2WO0HUnZ2XOWtw0CWKDJKAKlZLdz2IWGzEkXYK6Fx2wlvt1py5I8dMkZM0OYmsowsN YOww4ZIipKni+0YMlaB8sPqgdvpm1epAEylSqygfu7UcQwPlTqwjmn+NowQM9uLv9uI2 TC33coJEFkeROC27b4kL+sxu0umrTumSezJuE1yHG5tF/ziha+tRb1viuecONa2eB+Ol 5EyPqURG25vqi4rMzKZM0aElT1XpXwQ99phiqUX9vUVhhWcZKaSRNHY9BlbeMnhXQdng 5WKQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=Y7ho2gNz; spf=pass (google.com: domain of aishpant@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=aishpant@gmail.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gmail.com Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=Y7ho2gNz; spf=pass (google.com: domain of aishpant@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=aishpant@gmail.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gmail.com X-Google-Smtp-Source: AH8x227v0Hl0dDKCDKy9sMCCZJixh6b0ytWFuXMVxe2yT0GVu0FQjgzC4FQ8WgDpW2kRXdXZ6Z63Sw== Date: Fri, 26 Jan 2018 20:25:31 +0530 From: Aishwarya Pant To: Lee Jones , Daniel Thompson , Jingoo Han , Bartlomiej Zolnierkiewicz , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Jonathan Corbet , Greg KH , Michael Hennerich Cc: Julia Lawall Subject: [PATCH 5/5] backlight: adp8860: document sysfs attributes Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.9.2 (2017-12-15) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1590667288861484455?= X-GMAIL-MSGID: =?utf-8?q?1590667288861484455?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Add documentation for sysfs interface of adp8860 series backlight devices by reading through code and git commits. Signed-off-by: Aishwarya Pant --- .../ABI/testing/sysfs-class-backlight-adp8860 | 54 ++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-backlight-adp8860 diff --git a/Documentation/ABI/testing/sysfs-class-backlight-adp8860 b/Documentation/ABI/testing/sysfs-class-backlight-adp8860 new file mode 100644 index 000000000000..54d61c788b1b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-backlight-adp8860 @@ -0,0 +1,54 @@ +sysfs interface for analog devices adp8860 backlight driver +----------------------------------------------------------- + +The backlight brightness control operates at three different levels for the +adp8860, adp8861 and adp8863 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//ambient_light_level +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich +Description: + (RO) 13-bit conversion value for the first light sensor—high + byte (Bit 12 to Bit 8). The value is updated every 80 ms (when + the light sensor is enabled). + + +What: /sys/class/backlight//ambient_light_zone +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich +Description: + (RW) Read or write the specific level at which the backlight + operates. Value "0" enables automatic ambient light sensing, and + values "1", "2" or "3" set the control to daylight, office or + dark respectively. + + +What: /sys/class/backlight//l1_daylight_max +What: /sys/class/backlight//l2_office_max +What: /sys/class/backlight//l3_dark_max +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich +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//l1_daylight_dim +What: /sys/class/backlight//l2_office_dim +What: /sys/class/backlight//l3_dark_dim +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich +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. -- 2.16.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aishwarya Pant Date: Fri, 26 Jan 2018 14:55:42 +0000 Subject: [PATCH 5/5] backlight: adp8860: document sysfs attributes Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable To: Lee Jones , Daniel Thompson , Jingoo Han , Bartlomiej Zolnierkiewicz , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Jonathan Corbet , Greg KH , Michael Hennerich Cc: Julia Lawall Add documentation for sysfs interface of adp8860 series backlight devices by reading through code and git commits. Signed-off-by: Aishwarya Pant --- .../ABI/testing/sysfs-class-backlight-adp8860 | 54 ++++++++++++++++++= ++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-backlight-adp8860 diff --git a/Documentation/ABI/testing/sysfs-class-backlight-adp8860 b/Docu= mentation/ABI/testing/sysfs-class-backlight-adp8860 new file mode 100644 index 000000000000..54d61c788b1b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-backlight-adp8860 @@ -0,0 +1,54 @@ +sysfs interface for analog devices adp8860 backlight driver +----------------------------------------------------------- + +The backlight brightness control operates at three different levels for the +adp8860, adp8861 and adp8863 devices: daylight (level 1), office (level 2)= and +dark (level 3). By default the brightness operates at the daylight brightn= ess +level. + +What: /sys/class/backlight//ambient_light_level +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich +Description: + (RO) 13-bit conversion value for the first light sensor=E2=80=94high + byte (Bit 12 to Bit 8). The value is updated every 80 ms (when + the light sensor is enabled). + + +What: /sys/class/backlight//ambient_light_zone +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich +Description: + (RW) Read or write the specific level at which the backlight + operates. Value "0" enables automatic ambient light sensing, and + values "1", "2" or "3" set the control to daylight, office or + dark respectively. + + +What: /sys/class/backlight//l1_daylight_max +What: /sys/class/backlight//l2_office_max +What: /sys/class/backlight//l3_dark_max +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich +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//l1_daylight_dim +What: /sys/class/backlight//l2_office_dim +What: /sys/class/backlight//l3_dark_dim +Date: Apr, 2010 +KernelVersion: v2.6.35 +Contact: Michael Hennerich +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. --=20 2.16.1