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Date: Fri, 9 Oct 2009 14:59:59 +0530
Message-ID: <5d5443650910090229t6787c762qbcf854c970e117fa@mail.gmail.com>
Subject: Re: [PATCH 2/6] Haptic: Documentation for haptic class (v2)
From: Trilok Soni <soni.trilok@gmail.com>
To: Kyungmin Park <kyungmin.park@samsung.com>
Cc: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org
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Hi Kyungmin,

On Fri, Oct 9, 2009 at 2:31 PM, Kyungmin Park <kyungmin.park@samsung.com> wrote:
> 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
>
>

Reviewed-by: Trilok Soni <soni.trilok@gmail.com>

-- 
---Trilok Soni
http://triloksoni.wordpress.com
http://www.linkedin.com/in/triloksoni
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