linux-kernel - [PATCH v2 1/3] backlight: lm3639: document sysfs attributes

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Date:   Tue, 6 Feb 2018 13:09:42 +0530
From:   Aishwarya Pant <aishpant@...il.com>
To:     Lee Jones <lee.jones@...aro.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
        Greg KH <gregkh@...uxfoundation.org>
Cc:     Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH v2 1/3] backlight: lm3639: document sysfs attributes

Add documentation for sysfs interfaces of Texas Instruments lm3639
backlight + flash led driver chip by looking through git commits and
reading code.

Signed-off-by: Aishwarya Pant <aishpant@...il.com>
Acked-by: Daniel Thompson <daniel.thompson@...aro.org>
---
Changes in v2:
- Update contact information

 Documentation/ABI/testing/sysfs-class-backlight-lm3639 | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-class-backlight-lm3639

diff --git a/Documentation/ABI/testing/sysfs-class-backlight-lm3639 b/Documentation/ABI/testing/sysfs-class-backlight-lm3639
new file mode 100644
index 000000000000..f7e92a82ea25
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-backlight-lm3639
@@ -0,0 +1,11 @@
+sysfs interface for Texas Instruments lm3639 backlight + flash led driver chip
+------------------------------------------------------------------------------
+
+What:		/sys/class/backlight/<backlight>/bled_mode
+Date:		Oct, 2012
+KernelVersion:	v3.10
+Contact:	dri-devel@...ts.freedesktop.org
+Description:
+		(WO) Write to the backlight mapping mode. The backlight current
+		can be mapped for either exponential (value "0") or linear
+		mapping modes (default).
-- 
2.16.1