From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: ARC-Seal: i=1; a=rsa-sha256; t=1517902833; cv=none; d=google.com; s=arc-20160816; b=uliJPruRg9cTSMRglrBdQPmaa9qaqCxhwcTCf1WT1rOz7Zv75PmmdXs3scxwt07nSM +So8dza4cPqy6zDCW7L69/LB+QCxJohb3CaR9vSMCurygIvSMTUHVNQKa8V4ILRx6k50 7k4Wt4MahUIvMQX4+oqEsoAvUosus8qIxi6rMNG5xEVx+cFLYngZa26T9BPx5kLSk5B3 afga7LJVPwWakqwNrsOe+Shp3yNQSF5KZ1c+KFBOPGefi85Gb4qUlMeD/NWS4xX0ex3W V2LeGO98nbIMM91MYPJqGW/7w3GHpLpfasHmGLA0JbXCfYiTul47lGk7wGQlFsBYZQG5 PH3w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date:dkim-signature :arc-authentication-results; bh=vyFtUJFwfAj//dKdEF6adtYbiZd+eEtOYYVQbGeWTdQ=; b=LY2hiqxNOBgW3b9YtoE9Tm9oNDiwMcOguxoryW0vUeR7sTIDWPRrif7l0RY0JcK6Oj lVyK93CxK7L8HCuAAvEkadef8QzT0QYiJKuDHBrOQA6ZrEomW6ZKQWDqeYNGy/ntsA4t 0XyrQWcXnEwxNh3rRy5JJfsJgqNJaVp/fBxzOSuP3Pvs3jTNMYsHJYtTs33AEWJGxwn1 44MS94z+Rz1KaIHuNf2Wf6B0ARUDtUpT5RpEUkIfPAQ4Gs1BBWbYrnbeltvTjHXA44Ub C0Lzv+UNEQA1bN9bQd9HG8GuKIonD6pl34xoWqoN0lce8eReHLdRo4Lz20DPLeYPanBy LtZQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=bxB5V0Ov; 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=bxB5V0Ov; 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: AH8x2272GIyWfivks8NY5uDS+tMIfz+lDOplEeKnKsxRMfUKo5x3/3gFf91QqBUWo4EYCY7kMYmwyQ== Date: Tue, 6 Feb 2018 13:10:26 +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 v2 2/3] backlight: adp5520: document sysfs attributes Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.3 (2018-01-21) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1591636481965855286?= X-GMAIL-MSGID: =?utf-8?q?1591636481965855286?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 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 Acked-by: Michael Hennerich --- .../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//daylight_max +What: /sys/class/backlight//office_max +What: /sys/class/backlight//dark_max +Date: Sep, 2009 +KernelVersion: v2.6.32 +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//daylight_dim +What: /sys/class/backlight//office_dim +What: /sys/class/backlight//dark_dim +Date: Sep, 2009 +KernelVersion: v2.6.32 +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