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Date: Fri, 09 Oct 2009 18:01:20 +0900
From: Kyungmin Park <kyungmin.park@samsung.com>
Subject: [PATCH 2/6] Haptic: Documentation for haptic class (v2)
To: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org
Cc: soni.trilok@gmail.com
Message-id: <20091009090120.GA24935@july>
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Describe the haptic class and how to use

Changelog v1:
	Apply comments and feedbacks

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 Documentation/haptic-class.txt |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/haptic-class.txt

diff --git a/Documentation/haptic-class.txt b/Documentation/haptic-class.txt
new file mode 100644
index 0000000..6bee82a
--- /dev/null
+++ b/Documentation/haptic-class.txt
@@ -0,0 +1,20 @@
+
+Haptic handling under Linux
+========================
+
+In its simplest form, the haptic class just allows control of Haptics from
+userspace. Haptic appears in /sys/class/haptic/. The maximum level of the
+haptic is defined in max_level file.
+
+The interface is pretty simple - it provides oneshot mode where user
+can specify duration of the effect (in milliseconds) and desired level
+Of course, you can adjust the level by setting level property
+
+# echo ${millisecond} > /sys/class/haptic/<device>/oneshot
+
+# echo ${level} > /sys/class/haptic/<device>/level
+
+You can also enable or disable haptics devices by manipulating 'enable' attribute:
+
+# echo 1 > /sys/class/haptic/<device>/enable	-> Enable
+# echo 0 > /sys/class/haptic/<device>/enable	-> Disable
-- 
1.5.3.3

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