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| author | Luca Ellero <l.ellero@asem.it> | 2023-01-26 13:52:25 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-11 18:26:40 +0300 |
| commit | ae1a6691b14ba71c0f31845baa7a8ec3716c2431 (patch) | |
| tree | 79651b24984ad510145dba7fcf2ed9d2df13a430 | |
| parent | 4f59dd7d9756aa3c6d3cd0480918445c920a1866 (diff) | |
| download | linux-ae1a6691b14ba71c0f31845baa7a8ec3716c2431.tar.xz | |
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 <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>
| -rw-r--r-- | drivers/input/touchscreen/ads7846.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index b536768234b7..491cc7efecf9 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -1374,8 +1374,9 @@ 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); ads7846_setup_spi_msg(ts, pdata); |