Re: [PATCH] HID: wacom: Add tilt reporting for Intuos4 WL

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On Fri, 4 May 2012, Przemo Firszt wrote:

> Tile is reported to input subsystem as reported by the device without
> any modifications. It means that tilt X/Y range is 0 to 127 and it's
> not centered on zero.
> 
> Signed-off-by: Przemo Firszt <przemo@xxxxxxxxx>
> ---
>  drivers/hid/hid-wacom.c |    7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
> index fb0fe16..a66e1aa 100644
> --- a/drivers/hid/hid-wacom.c
> +++ b/drivers/hid/hid-wacom.c
> @@ -363,6 +363,7 @@ static void wacom_i4_parse_pen_report(struct wacom_data *wdata,
>  {
>  	__u16 x, y, pressure;
>  	__u8 distance;
> +	__u8 tilt_x, tilt_y;
>  
>  	switch (data[1]) {
>  	case 0x80: /* Out of proximity report */
> @@ -399,6 +400,8 @@ static void wacom_i4_parse_pen_report(struct wacom_data *wdata,
>  		pressure = (data[6] << 3) | ((data[7] & 0xC0) >> 5)
>  			| (data[1] & 0x01);
>  		distance = (data[9] >> 2) & 0x3f;
> +		tilt_x = ((data[7] << 1) & 0x7e) | (data[8] >> 7);
> +		tilt_y = data[8] & 0x7f;
>  
>  		input_report_key(input, BTN_TOUCH, pressure > 1);
>  
> @@ -409,6 +412,8 @@ static void wacom_i4_parse_pen_report(struct wacom_data *wdata,
>  		input_report_abs(input, ABS_Y, y);
>  		input_report_abs(input, ABS_PRESSURE, pressure);
>  		input_report_abs(input, ABS_DISTANCE, distance);
> +		input_report_abs(input, ABS_TILT_X, tilt_x);
> +		input_report_abs(input, ABS_TILT_Y, tilt_y);
>  		input_report_abs(input, ABS_MISC, wdata->id);
>  		input_event(input, EV_MSC, MSC_SERIAL, wdata->serial);
>  		input_report_key(input, wdata->tool, 1);
> @@ -548,6 +553,8 @@ static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi,
>  		input_set_abs_params(input, ABS_Y, 0, 25400, 4, 0);
>  		input_set_abs_params(input, ABS_PRESSURE, 0, 2047, 0, 0);
>  		input_set_abs_params(input, ABS_DISTANCE, 0, 63, 0, 0);
> +		input_set_abs_params(input, ABS_TILT_X, 0, 127, 0, 0);
> +		input_set_abs_params(input, ABS_TILT_Y, 0, 127, 0, 0);
>  		break;

Applied.

-- 
Jiri Kosina
SUSE Labs
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