auxdisplay: Move clear_display to hd44780_common
This moves the clear_display function from charlcd to hd44780_common. This is one more step to make charlcd independent from device specific code. The two hd44780 drivers use the new function from hd44780_common and charlcd calls this function through its function pointer in its ops structure. Reviewed-by:Willy Tarreau <w@1wt.eu> Signed-off-by:
Lars Poeschel <poeschel@lemonage.de> Signed-off-by:
Miguel Ojeda <ojeda@kernel.org>
parent
88645a86
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