[PATCH 5/6] cmd: button: store button state in the 'button' env

[Simon Glass]

Hi Marek,

On Mon, 14 Dec 2020 at 04:25, Marek Szyprowski <m.szyprowski at samsung.com> wrote:
>
> Save examined button state in 'button' environment variable to enable
> checking button state in the scripts.
>
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
> Change-Id: I78b539e1516573fcfea4401f75469291844daae4
> ---
>  cmd/button.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Can you add this to the README /docs where it talks about env vars?

>
> diff --git a/cmd/button.c b/cmd/button.c
> index 64c5a8fa046..8da911068a4 100644
> --- a/cmd/button.c
> +++ b/cmd/button.c
> @@ -23,8 +23,10 @@ static int show_button_state(struct udevice *dev)
>         ret = button_get_state(dev);
>         if (ret >= BUTTON_COUNT)
>                 ret = -EINVAL;
> -       if (ret >= 0)
> +       if (ret >= 0) {
>                 printf("%s\n", state_label[ret]);
> +               env_set("button", state_label[ret]);
> +       }
>
>         return ret;
>  }
> --
> 2.17.1
>

Regards,
Simon