Commit ea9c4fbf authored Jan 26, 2023 by Luca Ellero Committed by Greg Kroah-Hartman Mar 11, 2023

Input: ads7846 - don't report pressure for ads7845



[ Upstream commit d50584d783313c8b05b84d0b07a2142f1bde46dd ]

ADS7845 doesn't support pressure.
Avoid the following error reported by libinput-list-devices:
"ADS7845 Touchscreen: kernel bug: device has min == max on ABS_PRESSURE".

Fixes: ffa458c1 ("spi: ads7846 driver")
Signed-off-by: Luca Ellero <l.ellero@asem.it>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230126105227.47648-2-l.ellero@asem.it


Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 17761a1c

drivers/input/touchscreen/ads7846.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -1376,6 +1376,7 @@ static int ads7846_probe(struct spi_device *spi)
		pdata->y_min ? : 0,
		pdata->y_max ? : MAX_12BIT,
		0, 0);
		if (ts->model != 7845)
		input_set_abs_params(input_dev, ABS_PRESSURE,
		pdata->pressure_min, pdata->pressure_max, 0, 0);