[U-Boot] [PATCH 2/2] api: export LCD and video to external apps

[Wolfgang Denk]

Dear Che-liang Chiou,

In message <CANJuy2KuhG+4kueEupj0PBeFKJdhAJJnt_8-vULXYUXh9oCWKQ at mail.gmail.com> you wrote:
>
> >> +       ub_display_clear();
> >
> > What happens here if no display is available?
> 
> It is equivalent to a no-op. Or do you think we should print a warning
> message if no display is available?

Please either add an if() and don;t run the function at all, or add a
comment that explains that this callis harmless if no display is
present.

Best regards,

Wolfgang Denk

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