Moved lcd default contrast knowledge from settings.c to lcd driver. Now lcd_init sets default contrast until settings are read.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3824 a1c6a512-1295-4272-9138-f99709370657

apps/settings.c

@@ -542,19 +542,6 @@ void settings_apply(void)
     }
 }
 
-static int default_contrast(void)
-{
-#ifdef SIMULATOR
-    return 30;
-#else
-#ifdef HAVE_LCD_CHARCELLS
-    return 30;
-#else
-    return (read_hw_mask() & LCD_CONTRAST_BIAS) ? 31 : 49;
-#endif
-#endif
-}
-
 /*
  * load settings from disk or RTC RAM
  */
@@ -587,7 +574,7 @@ void settings_load(void)
             global_settings.invert =
                 config_block[0xa] & 0x40 ? true : false;
             if ( global_settings.contrast < MIN_CONTRAST_SETTING )
-                global_settings.contrast = default_contrast();
+                global_settings.contrast = lcd_default_contrast();
             global_settings.show_icons =
                 config_block[0xa] & 0x80 ? true : false;
         }
@@ -1414,7 +1401,7 @@ void settings_reset(void) {
     global_settings.rec_right_gain = 2; /* 0dB */
     global_settings.rec_editable = false;
     global_settings.resume      = RESUME_ASK;
-    global_settings.contrast    = default_contrast();
+    global_settings.contrast    = lcd_default_contrast();
     global_settings.invert      = DEFAULT_INVERT_SETTING;
     global_settings.poweroff    = DEFAULT_POWEROFF_SETTING;
     global_settings.backlight_timeout   = DEFAULT_BACKLIGHT_TIMEOUT_SETTING;

firmware/drivers/lcd-player.c

@@ -278,6 +278,11 @@ bool lcdx_putc(int x, int y, unsigned short ch)
     return false;
 }
 
+int lcd_default_contrast(void)
+{
+    return 30;
+}
+
 void lcd_clear_display(void)
 {
     int i;
@@ -497,6 +502,8 @@ void lcd_init (void)
         pattern_size=3; /* Last pattern, 3 for old LCD, 7 for new LCD */
     }
     
+    lcd_set_contrast(lcd_default_contrast());
+
     create_thread(scroll_thread, scroll_stack,
                   sizeof(scroll_stack), scroll_name);
 }

firmware/drivers/lcd-recorder.c

@@ -29,6 +29,7 @@
 #include "debug.h"
 #include "system.h"
 #include "font.h"
+#include "hwcompat.h"
 
 /*** definitions ***/
 
@@ -113,6 +114,15 @@ static unsigned char zeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
 static unsigned char ones[8]  = { 0xff, 0xff, 0xff, 0xff,
                                   0xff, 0xff, 0xff, 0xff};
 
+int lcd_default_contrast(void)
+{
+#ifdef SIMULATOR
+    return 30;
+#else
+    return (read_hw_mask() & LCD_CONTRAST_BIAS) ? 31 : 49;
+#endif
+}
+
 #ifdef SIMULATOR
 
 void lcd_init(void)
@@ -142,10 +152,7 @@ void lcd_init (void)
     lcd_write(true, LCD_SET_SEGMENT_REMAP + 1); /* mirror horizontal: 1 */
     lcd_write(true, LCD_SET_COM_OUTPUT_SCAN_DIRECTION + 8); /* mirror vertical: 1 */
     lcd_write(true, LCD_SET_DISPLAY_START_LINE + 0);
-#if 0 /* done later, depending on h/w mask bit and settings */
+    lcd_set_contrast(lcd_default_contrast());
-	lcd_write(true, LCD_SET_CONTRAST_CONTROL_REGISTER);
-	lcd_write(true, 0xF1); /* contrast set to 49/64 */
-#endif
     lcd_write(true, LCD_SET_PAGE_ADDRESS);
     lcd_write(true, LCD_SET_LOWER_COLUMN_ADDRESS + 0);
     lcd_write(true, LCD_SET_HIGHER_COLUMN_ADDRESS + 0);

firmware/export/lcd.h

@@ -44,6 +44,7 @@ extern void lcd_scroll_speed( int speed );
 extern void lcd_scroll_delay( int ms );
 extern void lcd_set_contrast(int val);
 extern void lcd_write( bool command, int byte );
+extern int  lcd_default_contrast(void);
 
 #if defined(SIMULATOR) || defined(HAVE_LCD_BITMAP)
 extern void lcd_update(void);