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Linux event code must be used in input devices, using buttons.
Signed-off-by: Dzmitry Sankouski <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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The gpio-button driver depends on DM_GPIO, add it to Kconfig to avoid
build errors.
Signed-off-by: Michael Walle <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
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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 <[email protected]>
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Define LOG_CATEGORY for all uclass to allow filtering with
log command.
Signed-off-by: Patrick Delaunay <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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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 <[email protected]>
Signed-off-by: Neil Armstrong <[email protected]>
Acked-by: Marek Szyprowski <[email protected]>
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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 <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Signed-off-by: Neil Armstrong <[email protected]>
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We use 'priv' for private data but often use 'platdata' for platform data.
We can't really use 'pdata' since that is ambiguous (it could mean private
or platform data).
Rename some of the latter variables to end with 'plat' for consistency.
Signed-off-by: Simon Glass <[email protected]>
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This construct is quite long-winded. In earlier days it made some sense
since auto-allocation was a strange concept. But with driver model now
used pretty universally, we can shorten this to 'auto'. This reduces
verbosity and makes it easier to read.
Coincidentally it also ensures that every declaration is on one line,
thus making dtoc's job easier.
Signed-off-by: Simon Glass <[email protected]>
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Add a simple driver which allows use of buttons attached to GPIOs.
Reviewed-by: Simon Glass <[email protected]>
Signed-off-by: Philippe Reynes <[email protected]>
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Add a new uclass for button that implements two functions:
- button_get_by_label
- button_get_status
Reviewed-by: Simon Glass <[email protected]>
Signed-off-by: Philippe Reynes <[email protected]>
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