xref: /linux/Documentation/userspace-api/media/v4l/pixfmt-tch-td08.rst (revision cbecf716ca618fd44feda6bd9a64a8179d031fc5) 
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2
3.. _V4L2-TCH-FMT-DELTA-TD08:
4
5********************************
6V4L2_TCH_FMT_DELTA_TD08 ('TD08')
7********************************
8
9*man V4L2_TCH_FMT_DELTA_TD08(2)*
10
118-bit signed Touch Delta
12
13Description
14===========
15
16This format represents delta data from a touch controller.
17
18Delta values may range from -128 to 127. Typically the values will vary through
19a small range depending on whether the sensor is touched or not. The full value
20may be seen if one of the touchscreen nodes has a fault or the line is not
21connected.
22
23**Byte Order.**
24Each cell is one byte.
25
26
27
28.. flat-table::
29    :header-rows:  0
30    :stub-columns: 0
31    :widths:       2 1 1 1 1
32
33    * - start + 0:
34      - D'\ :sub:`00`
35      - D'\ :sub:`01`
36      - D'\ :sub:`02`
37      - D'\ :sub:`03`
38    * - start + 4:
39      - D'\ :sub:`10`
40      - D'\ :sub:`11`
41      - D'\ :sub:`12`
42      - D'\ :sub:`13`
43    * - start + 8:
44      - D'\ :sub:`20`
45      - D'\ :sub:`21`
46      - D'\ :sub:`22`
47      - D'\ :sub:`23`
48    * - start + 12:
49      - D'\ :sub:`30`
50      - D'\ :sub:`31`
51      - D'\ :sub:`32`
52      - D'\ :sub:`33`
53