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CONFIG_KEYBOARD_TCA6416: TCA6416/TCA6408A Keypad Support

General informations

The Linux kernel configuration item CONFIG_KEYBOARD_TCA6416 has multiple definitions:

TCA6416 Keypad Support found in drivers/input/keyboard/Kconfig

The configuration item CONFIG_KEYBOARD_TCA6416:

Help text

This driver implements basic keypad functionality for keys connected through TCA6416 IO expander

Say Y here if your device has keys connected to TCA6416 IO expander. Your board-specific setup logic must also provide pin-mask details(of which TCA6416 pins are used for keypad).

If enabled the complete TCA6416 device will be managed through this driver.

TCA6416/TCA6408A Keypad Support found in drivers/input/keyboard/Kconfig

The configuration item CONFIG_KEYBOARD_TCA6416:

Help text

This driver implements basic keypad functionality for keys connected through TCA6416/TCA6408A IO expanders.

Say Y here if your device has keys connected to TCA6416/TCA6408A IO expander. Your board-specific setup logic must also provide pin-mask details(of which TCA6416 pins are used for keypad).

If enabled the entire TCA6416 device will be managed through this driver.

To compile this driver as a module, choose M here: the module will be called tca6416_keypad.

Hardware

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