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Implement contrast setting for iPod greyscale LCD

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8643 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman 2006-02-09 19:47:52 +00:00
parent ee2019d591
commit b0ad4cfbb5
2 changed files with 6 additions and 2 deletions
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2
firmware/drivers/lcd-2bit-horz.c
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@ -84,7 +84,7 @@ void lcd_init(void)
int lcd_default_contrast(void)
{
return 96;
return 40;
}
/*** parameter handling ***/

6
firmware/drivers/lcd-ipod.c
View file

@ -158,9 +158,13 @@ void lcd_update(void)
lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
}
/* Rockbox stores the contrast as 0..63 - we add 64 to it */
void lcd_set_contrast(int val)
{
lcd_cmd_and_data(0x4, 0x4, val);
if (val < 0) val = 0;
else if (val > 63) val = 63;
lcd_cmd_and_data(0x4, 0x4, val + 64);
lcd_contrast = val;
}