information regarding Haptics class & driver

Trilok Soni soni.trilok at
Wed Jun 8 06:46:47 EDT 2011

Hi Gururja,

On Mon, Jun 6, 2011 at 6:30 PM, Hebbar, Gururaja <gururaja.hebbar at> wrote:
> Hi all,
> We are working on a new board that has a Haptics device on the evm. While looking at the Linux driver code, we could find any implementation for such sort of devices. The vibrator is Pico-Haptics 304-100. It is driven using a in-SOC PWM Controller.
> Is there any specific framework that is followed for such kind of devices. Like directory where actual code is placed, the layer to be called.
> I found a patch top support such Haptics class in the patchwork. Don't know why it didn't make it to the kernel.
> &

Suggested method is to use the input-ff-memless framework under Linux
input subsystem.

---Trilok Soni

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