lcd4l: add GetMaxBrightness() function

Origin commit data
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Branch: ni/coolstream
Commit: 160dbcaaa0
Author: vanhofen <vanhofen@gmx.de>
Date: 2019-01-02 (Wed, 02 Jan 2019)

Origin message was:
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- lcd4l: add GetMaxBrightness() function

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No further description and justification available within origin commit message!

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This commit was generated by Migit

src/driver/lcd4l.cpp

@@ -191,6 +191,24 @@ int CLCD4l::RemoveFile(const char *file)
 	return ret;
 }
 
+int CLCD4l::GetMaxBrightness()
+{
+	int max_brightness;
+
+	switch (g_settings.lcd4l_display_type)
+	{
+		case SAMSUNG:
+			max_brightness = 10;
+			break;
+		case PEARL:
+		default:
+			max_brightness = 7;
+			break;
+	}
+
+	return max_brightness;
+}
+
 /* ----------------------------------------------------------------- */
 
 void CLCD4l::Init()

src/driver/lcd4l.h

@@ -54,6 +54,8 @@ class CLCD4l
 		int	CreateFile(const char *file, std::string content = "", bool convert = false);
 		int	RemoveFile(const char *file);
 
+		int	GetMaxBrightness();
+
 		void	ResetParseID() { m_ParseID = 0; }
 
 	private: