[PATCH] Input: elan_i2c - Add hover event for ST format

[PATCH] Input: elan_i2c - Add hover event for ST format

[duson]

Signed-off by: Duson Lin <dusonlin@emc.com.tw>
---
 drivers/input/mouse/elan_i2c_core.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 62641f2..ce97e28 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -847,6 +847,7 @@ static void elan_report_absolute(struct elan_tp_data *data, u8 *packet)
 	}
 
 	input_report_key(input, BTN_LEFT, tp_info & 0x01);
+	input_report_abs(input, ABS_DISTANCE, hover_event != 0);
 	input_mt_report_pointer_emulation(input, true);
 	input_sync(input);
 }
@@ -922,6 +923,7 @@ static int elan_setup_input_device(struct elan_tp_data *data)
 	input_abs_set_res(input, ABS_Y, data->y_res);
 	input_set_abs_params(input, ABS_PRESSURE, 0, ETP_MAX_PRESSURE, 0, 0);
 	input_set_abs_params(input, ABS_TOOL_WIDTH, 0, ETP_FINGER_WIDTH, 0, 0);
+	input_set_abs_params(input, ABS_DISTANCE, 0, 1, 0, 0);
 
 	/* And MT parameters */
 	input_set_abs_params(input, ABS_MT_POSITION_X, 0, data->max_x, 0, 0);

Re: [PATCH] Input: elan_i2c - Add hover event for ST format

[Dmitry Torokhov]

Hi Duson,

On Mon, Jun 29, 2015 at 09:19:09AM +0800, duson wrote:
> Signed-off by: Duson Lin <dusonlin@emc.com.tw>
> ---
>  drivers/input/mouse/elan_i2c_core.c |    2 ++

I'd rather we teach input_mt_init_slots() and
input_mt_report_pointer_emulation() do that for us.

Thanks.

>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
> index 62641f2..ce97e28 100644
> --- a/drivers/input/mouse/elan_i2c_core.c
> +++ b/drivers/input/mouse/elan_i2c_core.c
> @@ -847,6 +847,7 @@ static void elan_report_absolute(struct elan_tp_data *data, u8 *packet)
>  	}
>  
>  	input_report_key(input, BTN_LEFT, tp_info & 0x01);
> +	input_report_abs(input, ABS_DISTANCE, hover_event != 0);
>  	input_mt_report_pointer_emulation(input, true);
>  	input_sync(input);
>  }
> @@ -922,6 +923,7 @@ static int elan_setup_input_device(struct elan_tp_data *data)
>  	input_abs_set_res(input, ABS_Y, data->y_res);
>  	input_set_abs_params(input, ABS_PRESSURE, 0, ETP_MAX_PRESSURE, 0, 0);
>  	input_set_abs_params(input, ABS_TOOL_WIDTH, 0, ETP_FINGER_WIDTH, 0, 0);
> +	input_set_abs_params(input, ABS_DISTANCE, 0, 1, 0, 0);
>  
>  	/* And MT parameters */
>  	input_set_abs_params(input, ABS_MT_POSITION_X, 0, data->max_x, 0, 0);
> 
> 
> 
> 

-- 
Dmitry