diff mbox series

[6/7] Input: cyttsp - Set abs params for ABS_MT_TOUCH_MAJOR

Message ID 20210330085424.2244653-7-linus.walleij@linaro.org (mailing list archive)
State New
Headers show
Series Input: cyttsp - First round of modernizations | expand

Commit Message

Linus Walleij March 30, 2021, 8:54 a.m. UTC
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@linaro.org>
---
 drivers/input/touchscreen/cyttsp_core.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Javier Martinez Canillas March 30, 2021, 11 a.m. UTC | #1
On Tue, Mar 30, 2021 at 10:54 AM Linus Walleij <linus.walleij@linaro.org> wrote:
>
> 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@linaro.org>
> ---

Reviewed-by: Javier Martinez Canillas <javier@dowhile0.org>
diff mbox series

Patch

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);