expo: Drop the render from expo_poll()
Within tests it is useful to be able to control rendering of the expo.
Drop the automatic call to expo_render() within expo_poll() and adjust
its callers to handle this instead.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/expo.h b/include/expo.h
index dfecd6e..2addddd 100644
--- a/include/expo.h
+++ b/include/expo.h
@@ -1006,10 +1006,13 @@
int cb_expo_build(struct expo **expp);
/**
- * expo_poll() - render an expo and see if the user takes an action
+ * expo_poll() - see if the user takes an action
+ *
+ * This checks for a keypress. If there is one, it is processed and the
+ * resulting action returned, if any.
*
- * Thsi calls expo_render() and then checks for a keypress. If there is one, it
- * is processed and the resulting action returned, if any
+ * Note that expo_render() should normally be called immediately before this
+ * function so that the user can see the latest state.
*
* @exp: Expo to poll
* @act: Returns action on success