u-boot.git/drivers/button/button-adc.c, branch v2024.01-rc3Unnamed repository; edit this file 'description' to name the repository.http://cgit.235523.xyz/u-boot.git/atom/drivers/button/button-adc.c?h=v2024.01-rc32022-02-11T14:00:47Zbutton: adc: set state to pressed when the voltage is closest to nominal2022-02-11T14:00:47ZPeter Caipeter@typeblog.net2022-02-02T18:04:04Zurn:sha1:80d4c02b9324e7e0049582142474c9cc8630e27c
In the Linux implementation of adc-keys
(drivers/input/keyboard/adc-keys.c), `press-threshold-microvolt` is not
really interpreted as a threshold, but rather as the "nominal voltage"
of the button. When the voltage read from the ADC is closest to a
button's `press-threshold-microvolt`, the button is considered pressed.
This patch reconciles the behavior of button-adc with Linux's adc-keys
such that device trees can be synchronized with minimal modifications.
Signed-off-by: Peter Cai <peter@typeblog.net>
button: adc: fix treshold typo2021-03-08T09:32:34ZNeil Armstrongnarmstrong@baylibre.com2021-02-23T15:07:51Zurn:sha1:efe1f064960bf4c593da137419682de906630a34
Fix the treshold typo in code by threshold.
Fixes: c0165c85c3 ("button: add a simple Analog to Digital Converter device based button driver")
Suggested-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
button: add a simple Analog to Digital Converter device based button driver2021-02-18T10:37:26ZMarek Szyprowskim.szyprowski@samsung.com2021-02-18T10:33:15Zurn:sha1:c0165c85c3b149a86740fd649b54d5e988fab457
Add a simple Analog to Digital Converter device based button driver. This
driver binds to the 'adc-keys' device tree node.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>