[PATCH v2 3/3] cmd/button: return button status

[Tom Rini]

On Mon, Sep 14, 2020 at 12:50:56PM +0200, Heinrich Schuchardt wrote:

> To make the button command useful in a shell script it should return the
> status of the button:
> 
> * 0 (true) - pressed, on
> * 1 (false) - not pressed, off
> 
> The button command takes only one argument. Correct maxargs.
> 
> Adjust the Python unit test.
> 
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> Reviewed-by: Philippe Reynes <philippe.reynes at softathome.com>

Applied to u-boot/master, thanks!

-- 
Tom
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