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

[Marek Szyprowski]

Save examined button state in 'button' environment variable to enable
checking button state in the scripts.

Signed-off-by: Marek Szyprowski <m.szyprow...@samsung.com>
Change-Id: I78b539e1516573fcfea4401f75469291844daae4
---
 cmd/button.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

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