[PATCH v4 03/10] input: elants: remove unused axes

From: MichaÅ MirosÅaw
Date: Sun Apr 26 2020 - 12:11:40 EST


Driver only ever reports MT events and input_mt_init_slots() sets up
emulated axes already. Clear the capabilities not generated directly
and move MT axes setup, so they are visible by input_mt_init_slots().

Signed-off-by: MichaÅ MirosÅaw <mirq-linux@xxxxxxxxxxxx>
Reviewed-by: Dmitry Osipenko <digetx@xxxxxxxxx>
Tested-by: Dmitry Osipenko <digetx@xxxxxxxxx>
---
v4: reword commitmsg; reorder axis setup
---
drivers/input/touchscreen/elants_i2c.c | 26 ++++++++------------------
1 file changed, 8 insertions(+), 18 deletions(-)

diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c
index ddebd3741145..58aa9b7dbcbf 100644
--- a/drivers/input/touchscreen/elants_i2c.c
+++ b/drivers/input/touchscreen/elants_i2c.c
@@ -1312,25 +1312,7 @@ static int elants_i2c_probe(struct i2c_client *client,
ts->input->name = "Elan Touchscreen";
ts->input->id.bustype = BUS_I2C;

- __set_bit(BTN_TOUCH, ts->input->keybit);
- __set_bit(EV_ABS, ts->input->evbit);
- __set_bit(EV_KEY, ts->input->evbit);
-
- /* Single touch input params setup */
- input_set_abs_params(ts->input, ABS_X, 0, ts->x_max, 0, 0);
- input_set_abs_params(ts->input, ABS_Y, 0, ts->y_max, 0, 0);
- input_set_abs_params(ts->input, ABS_PRESSURE, 0, 255, 0, 0);
- input_abs_set_res(ts->input, ABS_X, ts->x_res);
- input_abs_set_res(ts->input, ABS_Y, ts->y_res);
-
/* Multitouch input params setup */
- error = input_mt_init_slots(ts->input, MAX_CONTACT_NUM,
- INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED);
- if (error) {
- dev_err(&client->dev,
- "failed to initialize MT slots: %d\n", error);
- return error;
- }

input_set_abs_params(ts->input, ABS_MT_POSITION_X, 0, ts->x_max, 0, 0);
input_set_abs_params(ts->input, ABS_MT_POSITION_Y, 0, ts->y_max, 0, 0);
@@ -1340,6 +1322,14 @@ static int elants_i2c_probe(struct i2c_client *client,
input_abs_set_res(ts->input, ABS_MT_POSITION_Y, ts->y_res);
input_abs_set_res(ts->input, ABS_MT_TOUCH_MAJOR, 1);

+ error = input_mt_init_slots(ts->input, MAX_CONTACT_NUM,
+ INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED);
+ if (error) {
+ dev_err(&client->dev,
+ "failed to initialize MT slots: %d\n", error);
+ return error;
+ }
+
error = input_register_device(ts->input);
if (error) {
dev_err(&client->dev,
--
2.20.1