From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: ARC-Seal: i=1; a=rsa-sha256; t=1516978498; cv=none; d=google.com; s=arc-20160816; b=Z4RMWVv0cBup37AYkeks6P7GdDq3UkoGGQL9I8ZpQldJaWJZJa8ovYf2mZ1KIsgK/9 xzQeQEOKBdP2Cp7jG0tPobQrQzD/de5N6WRpsKxhInZ3N8qWO9PH6Wo2+ly7tyqHM6Q0 dd4Q/aGAdKgfRE0tjqfg6V6iFi8sophWkQoovqNtYO89HWYm7T85L3dzqXJhtbjq7Xd2 YjFjkqDd2rxYYglbL1ZIEhHHMm0KJ3IxiaIah2+j/Qx85dhmBMlyf16nYBFtEvjB0uwA rCdFOyVC3T2h29yIQsMjZSUCCbjMNvXnfYg46x8vxI/HSBfpwQHPasC10xG1CUA4/XFm EuGw== 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=e/rJXOnuzWqoUcGKyzcFL9+zR1dXwat0ZRetKULpGag=; b=j3uhQunMbMlrbMw41MhVzDLnJYKYT82vsS3k9Pxqsn5kxa9+lpPr1Cczc0kz5cvY1V C0CH/Uk8i3YdZq7X18BAO1hvdl4t05161ancDY/YDjPXf85ji3m/KyHxI7j0I32nqjEN RxROkTELGBAzCqVb1GiVhETxmT7gAZjRrYz1RQWOI4dcUBGpvlxyX37dU+xU9MmJm9gG kugwlbhchNeumyueYRPl5FxB3M01uNmTLHvZ8SjpmlvxkZHrKxMikf+z9zf8mg7zZJXd oNf+efn3WDhyPfAQHSux86At7QQ6GlOKpoHHHD+QSCioQzjdofPcYX+LxsGRWPZ3M+H6 FjAQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=A+WscUs8; 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=A+WscUs8; 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: AH8x225BZNWBl/55GoCSMVkuPNXVtJLULHp4gLnnw9CeZRRuiTDbI2/DVYXwCY3vX83is7vZx8B6Gg== Date: Fri, 26 Jan 2018 20:24:50 +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 4/5] 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/1.9.2 (2017-12-15) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1590667245765542746?= X-GMAIL-MSGID: =?utf-8?q?1590667245765542746?= 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 --- .../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