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authorLuca Ellero <l.ellero@asem.it>2023-01-26 11:52:25 +0100
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2023-01-29 18:33:45 -0800
commitd50584d783313c8b05b84d0b07a2142f1bde46dd (patch)
treeea3ba225e1728dfaa54fffeb39613ec75ebd4f37 /drivers/input/touchscreen/ads7846.c
parent21617de3b4647175a4c6a2a58f40515a94a13df4 (diff)
Input: ads7846 - don't report pressure for ads7845
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>
Diffstat (limited to 'drivers/input/touchscreen/ads7846.c')
-rw-r--r--drivers/input/touchscreen/ads7846.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 4c3dd01902d0..f11b444f2138 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