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Input: elants_i2c - report resolution information for touch major

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This patch supports reporting resolution for ABS_MT_TOUCH_MAJOR event.
This information is needed in showing pressure/width radius.

Signed-off-by: Johnny Chuang <johnny.chuang@emc.com.tw>
Reviewed-by: Harry Cutts <hcutts@chromium.org>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/1582766000-23023-1-git-send-email-johnny.chuang.emc@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Johnny Chuang 2020-03-06 10:05:20 -08:00 committed by Dmitry Torokhov
parent 1dd5ddc125
commit 0617067163
1 changed files with 1 additions and 0 deletions
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drivers/input/touchscreen/elants_i2c.c
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@ -1309,6 +1309,7 @@ static int elants_i2c_probe(struct i2c_client *client,
input_set_abs_params(ts->input, ABS_MT_PRESSURE, 0, 255, 0, 0);
input_abs_set_res(ts->input, ABS_MT_POSITION_X, ts->x_res);
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_register_device(ts->input);
if (error) {