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
16void
17hwLcd_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