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@gmx.de>
Reviewed-by: Philippe Reynes <philippe.reynes@softathome.com>
Adds a command 'button' that provides the list of buttons
supported by the board, and the state of a button.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>