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      1 /* Copyright (C) 2009 The Android Open Source Project
      2 **
      3 ** This software is licensed under the terms of the GNU General Public
      4 ** License version 2, as published by the Free Software Foundation, and
      5 ** may be copied, distributed, and modified under those terms.
      6 **
      7 ** This program is distributed in the hope that it will be useful,
      8 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
      9 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     10 ** GNU General Public License for more details.
     11 */
     12 #include "android/hw-lcd.h"
     13 #include "android/boot-properties.h"
     14 #include <stdio.h>
     15 
     16 void
     17 hwLcd_setBootProperty(int density)
     18 {
     19     char  temp[8];
     20 
     21     /* Map density to one of our five bucket values.
     22        The TV density is a bit particular (and not actually a bucket
     23        value) so we do only exact match on it.
     24     */
     25     if (density != LCD_DENSITY_TVDPI) {
     26         if (density < (LCD_DENSITY_LDPI + LCD_DENSITY_MDPI)/2)
     27             density = LCD_DENSITY_LDPI;
     28         else if (density < (LCD_DENSITY_MDPI + LCD_DENSITY_HDPI)/2)
     29             density = LCD_DENSITY_MDPI;
     30         else if (density < (LCD_DENSITY_HDPI + LCD_DENSITY_XHDPI)/2)
     31             density = LCD_DENSITY_HDPI;
     32         else
     33             density = LCD_DENSITY_XHDPI;
     34     }
     35 
     36     snprintf(temp, sizeof temp, "%d", density);
     37     boot_property_add("qemu.sf.lcd_density", temp);
     38 }
     39 
     40