CONFIG_KEYBOARD_ADC: ADC Ladder Buttons

General informations

The Linux kernel configuration item CONFIG_KEYBOARD_ADC:

• prompt: ADC Ladder Buttons
• type: tristate
• depends on: CONFIG_IIO
• defined in drivers/input/keyboard/Kconfig
• found in Linux kernels: 4.9–4.20, 5.0–5.19, 6.0–6.12
• modules built: adc-keys

Help text

This driver implements support for buttons connected to an ADC using a resistor ladder.

Say Y here if your device has such buttons connected to an ADC. Your board-specific setup logic must also provide a configuration data for mapping voltages to buttons.

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

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module adc-keys CONFIG_KEYBOARD_ADC : drivers/input/keyboard/Kconfig : "ADC Ladder Buttons" # in 4.9–4.20, 5.0–5.19, 6.0–6.12
• lkddb of "" "" "adc-keys" : CONFIG_INPUT CONFIG_INPUT_KEYBOARD CONFIG_KEYBOARD_ADC : drivers/input/keyboard/adc-keys.c # in 4.9–4.20, 5.0–5.19, 6.0–6.12
• lkddb platform "adc_keys" : CONFIG_INPUT CONFIG_INPUT_KEYBOARD CONFIG_KEYBOARD_ADC : drivers/input/keyboard/adc-keys.c # in 4.9–4.20, 5.0–5.19, 6.0–6.12

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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