From: Luca Ellero Date: Thu, 26 Jan 2023 10:52:25 +0000 (+0100) Subject: Input: ads7846 - don't report pressure for ads7845 X-Git-Tag: v5.15.150~133 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2d89ed2e06292d27be27ef918eaa81891961eba0;p=thirdparty%2Fkernel%2Fstable.git 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: ffa458c1bd9b ("spi: ads7846 driver") Signed-off-by: Luca Ellero Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20230126105227.47648-2-l.ellero@asem.it Signed-off-by: Dmitry Torokhov Signed-off-by: Sasha Levin --- diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index f113a27aeb1ef..ef04988edf0c2 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -1323,8 +1323,9 @@ static int ads7846_probe(struct spi_device *spi) pdata->y_min ? : 0, pdata->y_max ? : MAX_12BIT, 0, 0); - input_set_abs_params(input_dev, ABS_PRESSURE, - pdata->pressure_min, pdata->pressure_max, 0, 0); + if (ts->model != 7845) + input_set_abs_params(input_dev, ABS_PRESSURE, + pdata->pressure_min, pdata->pressure_max, 0, 0); /* * Parse common framework properties. Must be done here to ensure the