diff mbox

[v3] Input: atmel_mxt_ts - Report pressure information from the driver

Message ID 20110816072041.GA20084@core.coreip.homeip.net (mailing list archive)
State Accepted
Commit 28ac293363368650963ee4c1e323c1ff502c121f
Headers show

Commit Message

Dmitry Torokhov Aug. 16, 2011, 7:20 a.m. UTC
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.

Comments

Yufeng Shen Aug. 16, 2011, 6:17 p.m. UTC | #1
Re-sent from proper email account and sorry for the spam.

-----------------------------------------------------------------------------------------------------------------------

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@gmail.com> 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@chromium.org>
>
> Atmel mxt1386 touch controller has the touch pressure information so
> let's report it to the user space.
>
> [dtor@mail.ru: added ABS_RESSURE reporting for ST emulation.]
>
> Signed-off-by: Yufeng Shen <miletus@chromium.org>
> Acked-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
> Acked-by: Henrik Rydberg <rydberg@euromail.se>
> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
> ---
>
>  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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Dmitry Torokhov Aug. 16, 2011, 6:27 p.m. UTC | #2
On Tue, Aug 16, 2011 at 02:17:49PM -0400, Yufeng Shen wrote:
> Re-sent from proper email account and sorry for the spam.
> 
> -----------------------------------------------------------------------------------------------------------------------
> 
> 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.

No, there is no need to resend.

Thanks.
diff mbox

Patch

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);