Re: [PATCH 3/4] input: wacom - Add support for Bamboo Pen

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Wed, Sep 08, 2010 at 11:02:31PM -0500, chris@cnpbagwell.com wrote:
> From: Chris Bagwell <chris@cnpbagwell.com>
> 
> This adds support for Pen on Bamboo Pen and Bamboo Pen&Touch
> devices.  Touchpad is handled by previous Bamboo Touch
> logic.
> 
> Signed-off-by: Chris Bagwell <chris@cnpbagwell.com>
> ---
>  drivers/input/tablet/wacom_wac.c |   75 ++++++++++++++++++++++++++++++++++++++
>  1 files changed, 75 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
> index 2f7ed9a..9cc0cf0 100644
> --- a/drivers/input/tablet/wacom_wac.c
> +++ b/drivers/input/tablet/wacom_wac.c
> @@ -904,10 +904,71 @@ static int wacom_bpt_touch(struct wacom_wac *wacom)
>  	return 0;
>  }
>  
> +static int wacom_bpt_pen(struct wacom_wac *wacom)
> +{
> +	struct input_dev *input = wacom->input;
> +	unsigned char *data = wacom->data;
> +	int prox = 0, x = 0, y = 0, p = 0, d = 0, pen = 0, btn1 = 0, btn2 = 0;
> +
> +	prox = (data[1] & 0x10) && (data[1] & 0x20);

	prox = (data[1] & 0x30) == 0x30;

?

-- 
Dmitry