The driver is certainly reporting pressure in cyttsp_report_tchdata() with input_report_abs(input, ABS_MT_TOUCH_MAJOR, tch->z); so we should also advertise this capability. Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> --- drivers/input/touchscreen/cyttsp_core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/input/touchscreen/cyttsp_core.c b/drivers/input/touchscreen/cyttsp_core.c index 8ae9f00e5e31..ac412bcb15d8 100644 --- a/drivers/input/touchscreen/cyttsp_core.c +++ b/drivers/input/touchscreen/cyttsp_core.c @@ -667,6 +667,9 @@ struct cyttsp *cyttsp_probe(const struct cyttsp_bus_ops *bus_ops, input_set_capability(input_dev, EV_ABS, ABS_MT_POSITION_X); input_set_capability(input_dev, EV_ABS, ABS_MT_POSITION_Y); + /* One byte for width 0..255 so this is the limit */ + input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0); + touchscreen_parse_properties(input_dev, true, NULL); error = input_mt_init_slots(input_dev, CY_MAX_ID, 0); -- 2.29.2
