Input: mms114 - mark as direct input device
authorDmitry Torokhov <dmitry.torokhov@gmail.com>
Tue, 23 Jan 2018 19:11:09 +0000 (11:11 -0800)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Fri, 26 Jan 2018 19:27:18 +0000 (11:27 -0800)
mms14 is a touchscreen and thus a direct input device; let's mark it
as such. This also allows us to drop some initialization code as
input_init_mt_slots() will do that for us.

Also add error handling for input_mt_init_slots().

Reviewed-by: Simon Shields <simon@lineageos.org>
Tested-by: Simon Shields <simon@lineageos.org>
Reviewed-by: Andi Shyti <andi.shyti@samsung.com>
Tested-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/touchscreen/mms114.c

index 92f2e9d..c3480db 100644 (file)
@@ -462,14 +462,6 @@ static int mms114_probe(struct i2c_client *client,
        input_dev->open = mms114_input_open;
        input_dev->close = mms114_input_close;
 
-       __set_bit(EV_ABS, input_dev->evbit);
-       __set_bit(EV_KEY, input_dev->evbit);
-       __set_bit(BTN_TOUCH, input_dev->keybit);
-       input_set_abs_params(input_dev, ABS_X, 0, data->pdata->x_size, 0, 0);
-       input_set_abs_params(input_dev, ABS_Y, 0, data->pdata->y_size, 0, 0);
-
-       /* For multi touch */
-       input_mt_init_slots(input_dev, MMS114_MAX_TOUCH, 0);
        input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
                             0, MMS114_MAX_AREA, 0, 0);
        input_set_abs_params(input_dev, ABS_MT_POSITION_X,
@@ -478,6 +470,11 @@ static int mms114_probe(struct i2c_client *client,
                             0, data->pdata->y_size, 0, 0);
        input_set_abs_params(input_dev, ABS_MT_PRESSURE, 0, 255, 0, 0);
 
+       error = input_mt_init_slots(input_dev, MMS114_MAX_TOUCH,
+                                   INPUT_MT_DIRECT);
+       if (error)
+               return error;
+
        input_set_drvdata(input_dev, data);
        i2c_set_clientdata(client, data);