From: Luca Ellero <l.ellero@xxxxxxx> ADS7845 doesn't support pressure. This patch avoids the following error reported by libinput-list-devices: "ADS7845 Touchscreen: kernel bug: device has min == max on ABS_PRESSURE" Signed-off-by: Luca Ellero <l.ellero@xxxxxxx> --- drivers/input/touchscreen/ads7846.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index bed68a68f330..24605c40d039 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -1316,8 +1316,9 @@ 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 -- 2.25.1
