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Input: of_touchscreen - add support for inverted / swapped axes

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Extend touchscreen_parse_properties() with support for the
touchscreen-inverted-x/y and touchscreen-swapped-x-y properties and
add touchscreen_set_mt_pos() and touchscreen_report_pos() helper
functions for storing coordinates into a input_mt_pos struct, or
directly reporting them, taking these properties into account.

This commit also modifies the existing callers of
touchscreen_parse_properties() to pass in NULL for the new third
argument, keeping the existing behavior.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Hans de Goede
2016-07-15 14:05:29 -07:00
committed by Dmitry Torokhov
parent 345ded8ef4
commit ed7c9870c9
7 changed files with 105 additions and 7 deletions
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2
drivers/input/touchscreen/edt-ft5x06.c
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@@ -972,7 +972,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
input_set_abs_params(input, ABS_MT_POSITION_Y,
0, tsdata->num_y * 64 - 1, 0, 0);
touchscreen_parse_properties(input, true);
touchscreen_parse_properties(input, true, NULL);
error = input_mt_init_slots(input, tsdata->max_support_points,
INPUT_MT_DIRECT);