Messages in this thread Patch in this message | | | Date | Fri, 09 Oct 2009 18:01:20 +0900 | From | Kyungmin Park <> | Subject | [PATCH 2/6] Haptic: Documentation for haptic class (v2) |
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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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