[PATCH v2] cmd: gpio: Make `gpio input` return pin value again

[Tom Rini]

On Wed, Mar 11, 2020 at 08:46:29AM +0000, Alex Kiernan wrote:

> 4dbc107f4683 ("cmd: gpio: Correct do_gpio() return value") correctly
> changed the behaviour of the gpio command to return CMD_RET_SUCCESS or
> CMD_RET_FAILURE, but any existing script which expects the return value
> to be the pin value is broken by this change.
> 
> Reinstate the legacy behaviour for `gpio input` only.
> 
> Fixes: 4dbc107f4683 ("cmd: gpio: Correct do_gpio() return value")
> Signed-off-by: Alex Kiernan <alex.kiernan at gmail.com>
> Signed-off-by: Alex Kiernan <alex.kiernan at hivehome.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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