linux-kernel - [PATCH 1/5] backlight: lp8788: document sysfs attributes

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Date:   Fri, 26 Jan 2018 20:20:08 +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>,
        Milo Kim <milo.kim@...com>
Cc:     Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH 1/5] backlight: lp8788: document sysfs attributes

Add documentation for sysfs interfaces of lp8788 backlight driver by
looking through the code and the git commit history.

Signed-off-by: Aishwarya Pant <aishpant@...il.com>
---
 Documentation/ABI/testing/sysfs-class-backlight-lp8788 | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-class-backlight-lp8788

diff --git a/Documentation/ABI/testing/sysfs-class-backlight-lp8788 b/Documentation/ABI/testing/sysfs-class-backlight-lp8788
new file mode 100644
index 000000000000..c0e565c8d63d
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-backlight-lp8788
@@ -0,0 +1,10 @@
+sysfs interface for Texas Instruments lp8788 mfd backlight driver
+-----------------------------------------------------------------
+
+What:		/sys/class/backlight/<backlight>/bl_ctl_mode
+Date:		Feb, 2013
+KernelVersion:	v3.10
+Contact:	Milo Kim <milo.kim@...com>
+Description:
+		(RO) Displays whether the brightness is controlled by the PWM
+		input("PWM based") or the I2C register("Register based").
-- 
2.16.1