When mode switch happens we try to allocate too much memory in case
when num_x and num_y are being assigned to their maximum.
Since the resolution should come from property in such case, reassign
values back to num_x and num_y to prevent too much memory allocation.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/input/touchscreen/edt-ft5x06.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index a05c6b597d43..1023d4134b8d 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -1178,6 +1178,13 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
touchscreen_parse_properties(input, true, &tsdata->prop);
+ if (tsdata->num_x == U16_MAX && tsdata->prop.max_x &&
+ tsdata->num_y == U16_MAX && tsdata->prop.max_y) {
+ /* Reassign num_x and num_y from properties */
+ tsdata->num_x = tsdata->prop.max_x;
+ tsdata->num_y = tsdata->prop.max_y;
+ }
+
error = input_mt_init_slots(input, tsdata->max_support_points,
INPUT_MT_DIRECT);
if (error) {
--
2.25.1
