Re-sent from proper email account and sorry for the spam.
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Tested that adding ABS_PRESSURE to ST works properly.
Do you want me to submit a new patch or is this good enough for you to merge ?
Thanks.
On Tue, Aug 16, 2011 at 3:20 AM, Dmitry Torokhov
<dmitry.torokhov@xxxxxxxxx> wrote:
>
> On Tue, Aug 16, 2011 at 07:27:38AM +0200, Henrik Rydberg wrote:
> > On Mon, Aug 15, 2011 at 11:02:30AM -0400, Yufeng Shen wrote:
> > > Atmel mxt1386 touch controller has the touch pressure information but
> > > the current driver atmel_mxt_ts does not expose it to the user space.
> > > This patch makes the driver report the touch pressure information to
> > > user space.
> > >
> > > ChangeLog:
> > > v2: fixed indentation as commented by Wanlong Gao
> > > v3: added signed-off-by
> > >
>
> I think we should be reporting pressure for ST emulation as well. Does
> the following version still work for you?
>
> Thanks.
>
> --
> Dmitry
>
> Input: atmel_mxt_ts - report pressure information from the driver
>
> From: Yufeng Shen <miletus@xxxxxxxxxxxx>
>
> Atmel mxt1386 touch controller has the touch pressure information so
> let's report it to the user space.
>
> [dtor@xxxxxxx: added ABS_RESSURE reporting for ST emulation.]
>
> Signed-off-by: Yufeng Shen <miletus@xxxxxxxxxxxx>
> Acked-by: Wanlong Gao <gaowanlong@xxxxxxxxxxxxxx>
> Acked-by: Henrik Rydberg <rydberg@xxxxxxxxxxx>
> Signed-off-by: Dmitry Torokhov <dtor@xxxxxxx>
> ---
>
> drivers/input/touchscreen/atmel_mxt_ts.c | 12 ++++++++++++
> 1 files changed, 12 insertions(+), 0 deletions(-)
>
>
> diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
> index c4f6b81..5bc2065 100644
> --- a/drivers/input/touchscreen/atmel_mxt_ts.c
> +++ b/drivers/input/touchscreen/atmel_mxt_ts.c
> @@ -245,6 +245,7 @@ struct mxt_finger {
> int x;
> int y;
> int area;
> + int pressure;
> };
>
> /* Each client has this additional data */
> @@ -537,6 +538,8 @@ static void mxt_input_report(struct mxt_data *data, int single_id)
> finger[id].x);
> input_report_abs(input_dev, ABS_MT_POSITION_Y,
> finger[id].y);
> + input_report_abs(input_dev, ABS_MT_PRESSURE,
> + finger[id].pressure);
> } else {
> finger[id].status = 0;
> }
> @@ -547,6 +550,8 @@ static void mxt_input_report(struct mxt_data *data, int single_id)
> if (status != MXT_RELEASE) {
> input_report_abs(input_dev, ABS_X, finger[single_id].x);
> input_report_abs(input_dev, ABS_Y, finger[single_id].y);
> + input_report_abs(input_dev,
> + ABS_PRESSURE, finger[single_id].pressure);
> }
>
> input_sync(input_dev);
> @@ -561,6 +566,7 @@ static void mxt_input_touchevent(struct mxt_data *data,
> int x;
> int y;
> int area;
> + int pressure;
>
> /* Check the touch is present on the screen */
> if (!(status & MXT_DETECT)) {
> @@ -585,6 +591,7 @@ static void mxt_input_touchevent(struct mxt_data *data,
> y = y >> 2;
>
> area = message->message[4];
> + pressure = message->message[5];
>
> dev_dbg(dev, "[%d] %s x: %d, y: %d, area: %d\n", id,
> status & MXT_MOVE ? "moved" : "pressed",
> @@ -595,6 +602,7 @@ static void mxt_input_touchevent(struct mxt_data *data,
> finger[id].x = x;
> finger[id].y = y;
> finger[id].area = area;
> + finger[id].pressure = pressure;
>
> mxt_input_report(data, id);
> }
> @@ -1130,6 +1138,8 @@ static int __devinit mxt_probe(struct i2c_client *client,
> 0, data->max_x, 0, 0);
> input_set_abs_params(input_dev, ABS_Y,
> 0, data->max_y, 0, 0);
> + input_set_abs_params(input_dev, ABS_PRESSURE,
> + 0, 255, 0, 0);
>
> /* For multi touch */
> input_mt_init_slots(input_dev, MXT_MAX_FINGER);
> @@ -1139,6 +1149,8 @@ static int __devinit mxt_probe(struct i2c_client *client,
> 0, data->max_x, 0, 0);
> input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
> 0, data->max_y, 0, 0);
> + input_set_abs_params(input_dev, ABS_MT_PRESSURE,
> + 0, 255, 0, 0);
>
> input_set_drvdata(input_dev, data);
> i2c_set_clientdata(client, data);
--
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