FIX: added missing LcdKeypad::readButtons() return value

dniklaus · dniklaus · commit c70c592cb80d · 2015-07-22T11:56:13.000+02:00
Signed-off-by: Dieter Niklaus &lt;dieter.niklaus@gmx.net&gt;
diff --git a/LcdKeypad/LcdKeypad.cpp b/LcdKeypad/LcdKeypad.cpp
@@ -485,11 +485,12 @@ void LcdKeypad::setMCPType(MCPType mcptype)
   }
 }
 
-//#ifdef MCP23017
 uint8_t LcdKeypad::readButtons()
 {
+  uint8_t buttons = 0;
   if (0 != m_liquidTwi2)
   {
-    m_liquidTwi2->readButtons();
+    buttons = m_liquidTwi2->readButtons();
   }
+  return buttons;
 }

Original file line number	Diff line number	Diff line change
`@@ -485,11 +485,12 @@ void LcdKeypad::setMCPType(MCPType mcptype)`
`485`	`485`	`}`
`486`	`486`	`}`
`487`	`487`
`488`		`-//#ifdef MCP23017`
`489`	`488`	`uint8_t LcdKeypad::readButtons()`
`490`	`489`	`{`
	`490`	`+ uint8_t buttons = 0;`
`491`	`491`	`if (0 != m_liquidTwi2)`
`492`	`492`	`{`
`493`		`- m_liquidTwi2->readButtons();`
	`493`	`+ buttons = m_liquidTwi2->readButtons();`
`494`	`494`	`}`
	`495`	`+ return buttons;`
`495`	`496`	`}`