xref: /linux/Documentation/userspace-api/media/v4l/pixfmt-tch-td16.rst (revision 3c09ec59cdea5b132212d97154d625fd34e436dd)
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2
3.. _V4L2-TCH-FMT-DELTA-TD16:
4
5********************************
6V4L2_TCH_FMT_DELTA_TD16 ('TD16')
7********************************
8
9*man V4L2_TCH_FMT_DELTA_TD16(2)*
10
1116-bit signed little endian Touch Delta
12
13
14Description
15===========
16
17This format represents delta data from a touch controller.
18
19Delta values may range from -32768 to 32767. Typically the values will vary
20through a small range depending on whether the sensor is touched or not. The
21full value may be seen if one of the touchscreen nodes has a fault or the line
22is not connected.
23
24**Byte Order.**
25Each cell is one byte.
26
27.. flat-table::
28    :header-rows:  0
29    :stub-columns: 0
30    :widths:       2 1 1 1 1 1 1 1 1
31
32    * - start + 0:
33      - D'\ :sub:`00low`
34      - D'\ :sub:`00high`
35      - D'\ :sub:`01low`
36      - D'\ :sub:`01high`
37      - D'\ :sub:`02low`
38      - D'\ :sub:`02high`
39      - D'\ :sub:`03low`
40      - D'\ :sub:`03high`
41    * - start + 8:
42      - D'\ :sub:`10low`
43      - D'\ :sub:`10high`
44      - D'\ :sub:`11low`
45      - D'\ :sub:`11high`
46      - D'\ :sub:`12low`
47      - D'\ :sub:`12high`
48      - D'\ :sub:`13low`
49      - D'\ :sub:`13high`
50    * - start + 16:
51      - D'\ :sub:`20low`
52      - D'\ :sub:`20high`
53      - D'\ :sub:`21low`
54      - D'\ :sub:`21high`
55      - D'\ :sub:`22low`
56      - D'\ :sub:`22high`
57      - D'\ :sub:`23low`
58      - D'\ :sub:`23high`
59    * - start + 24:
60      - D'\ :sub:`30low`
61      - D'\ :sub:`30high`
62      - D'\ :sub:`31low`
63      - D'\ :sub:`31high`
64      - D'\ :sub:`32low`
65      - D'\ :sub:`32high`
66      - D'\ :sub:`33low`
67      - D'\ :sub:`33high`
68