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Diffstat (limited to 'uisimulator/common/backlight-sim.c')
-rw-r--r--uisimulator/common/backlight-sim.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/uisimulator/common/backlight-sim.c b/uisimulator/common/backlight-sim.c
index e8bce8ff7a..74a715a035 100644
--- a/uisimulator/common/backlight-sim.c
+++ b/uisimulator/common/backlight-sim.c
@@ -30,6 +30,8 @@ extern void lcd_awake(void);
/* in uisimulator/sdl/lcd-bitmap.c and lcd-charcell.c */
extern void sim_backlight(int value);
+static int old_val = 100;
+
bool _backlight_init(void)
{
return true;
@@ -37,7 +39,7 @@ bool _backlight_init(void)
void _backlight_on(void)
{
- sim_backlight(100);
+ sim_backlight(old_val);
#if defined(HAVE_LCD_ENABLE)
lcd_enable(true);
#elif defined(HAVE_LCD_SLEEP)
@@ -56,7 +58,10 @@ void _backlight_off(void)
#ifdef HAVE_BACKLIGHT_BRIGHTNESS
void _backlight_set_brightness(int val)
{
- (void)val;
+ int normalized = ((val - MIN_BRIGHTNESS_SETTING + 1) * 100) / MAX_BRIGHTNESS_SETTING;
+ sim_backlight(normalized);
+
+ old_val = normalized;
}
#endif /* HAVE_BACKLIGHT_BRIGHTNESS */
#ifdef HAVE_BUTTON_LIGHT