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cmd: gpio: Correct do_gpio() return value

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Use the correct return value in function do_gpio() and update
commands documentation with the return values from command_ret_t enum.

CMD_RET_SUCCESS is returned on command success and CMD_RET_FAILURE is
returned on command failure.

The command was returning the pin value, which caused confusion when
debugging (#define DEBUG).

Signed-off-by: Luka Kovacic <luka.kovacic@sartura.hr>
Tested-by: Robert Marko <robert.marko@sartura.hr>
This commit is contained in:
Luka Kovacic
2020-01-05 20:10:56 +01:00
committed by Tom Rini
parent 96ff825d31
commit 4dbc107f46
2 changed files with 19 additions and 7 deletions
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4
doc/README.commands
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@@ -83,9 +83,9 @@ argv: Arguments.
Allowable return value are:
CMD_SUCCESS The command was successfully executed.
CMD_RET_SUCCESS The command was successfully executed.
CMD_FAILURE The command failed.
CMD_RET_FAILURE The command failed.
CMD_RET_USAGE The command was called with invalid parameters. This value
leads to the display of the usage string.