Searched +full:projected +full:- +full:capacitance (Results 1 – 3 of 3) sorted by relevance
| /kernel/linux/linux-5.10/Documentation/userspace-api/media/v4l/ |
| D | dev-touch.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
10 ``/dev/v4l-touch0`` to ``/dev/v4l-touch255`` with major number 81 and
16 Sensors may be Optical, or Projected Capacitive touch (PCT).
20 side-channel for diagnostics or tuning. In other systems, the ASIC is a simple
26 lines, or tx/rx). Mutual Capacitance measured is at the nodes where the
27 conductors cross. Alternatively, Self Capacitance measures the signal from each
30 A touch input may be determined by comparing the raw capacitance measurement to
31 a no-touch reference (or "baseline") measurement:
33 Delta = Raw - Reference
35 The reference measurement takes account of variations in the capacitance across
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| /kernel/linux/linux-4.19/Documentation/media/uapi/v4l/ |
| D | dev-touch.rst | 1 .. -*- coding: utf-8; mode: rst -*-
10 ``/dev/v4l-touch0`` to ``/dev/v4l-touch255`` with major number 81 and
16 Sensors may be Optical, or Projected Capacitive touch (PCT).
20 side-channel for diagnostics or tuning. In other systems, the ASIC is a simple
26 lines, or tx/rx). Mutual Capacitance measured is at the nodes where the
27 conductors cross. Alternatively, Self Capacitance measures the signal from each
30 A touch input may be determined by comparing the raw capacitance measurement to
31 a no-touch reference (or "baseline") measurement:
33 Delta = Raw - Reference
35 The reference measurement takes account of variations in the capacitance across
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/input/ |
| D | iqs269a.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jeff LaBundy <jeff@labundy.com>
13 The Azoteq IQS269A is an 8-channel capacitive touch controller that features
14 additional Hall-effect and inductive sensing capabilities.
28 "#address-cells":
31 "#size-cells":
34 azoteq,hall-enable:
37 Enables Hall-effect sensing on channels 6 and 7. In this case, keycodes
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