Messages in this thread Patch in this message | | | From | Luca Ellero <> | Subject | [PATCH v2 1/3] ads7846: don't report pressure for ads7845 | Date | Thu, 21 Jul 2022 10:34:56 +0200 |
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From: Luca Ellero <l.ellero@asem.it>
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@asem.it> --- Changes for v2: - add missing period in commit message
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
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