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Faster/Smoother fading on the Gigabeat

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13354 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Karl Kurbjun 2007-05-08 03:57:42 +00:00
parent cf478758dd
commit 7ef0af07f1
1 changed files with 26 additions and 18 deletions
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44
firmware/target/arm/s3c2440/gigabeat-fx/backlight-meg-fx.c
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@ -188,17 +188,19 @@ static void led_control_service(void)
case BACKLIGHT_CONTROL_FADE:
sc606_changed=true;
sc606regCONFval |= 0x03;
/* The SC606 LED driver can set the brightness in 64 steps */
if(backlight_target==sc606regAval)
if(sc606regAval)
if(backlight_target>sc606regAval)
{
sc606regAval++;
if(backlight_target==sc606regAval)
backlight_control = BACKLIGHT_CONTROL_ON;
else
backlight_control = BACKLIGHT_CONTROL_OFF;
}
else
if(backlight_target>sc606regAval)
sc606regAval++;
else
sc606regAval--;
{
sc606regAval--;
if(backlight_target==sc606regAval)
backlight_control = BACKLIGHT_CONTROL_OFF;
}
break;
default:
break;
@ -222,16 +224,19 @@ static void led_control_service(void)
case BUTTONLIGHT_CONTROL_FADE:
sc606_changed=true;
sc606regCONFval |= 0x3C;
if(buttonlight_target==sc606regBval)
if(sc606regBval)
if(buttonlight_target>sc606regBval)
{
sc606regCval=++sc606regBval;
if(buttonlight_target==sc606regBval)
buttonlight_control = BUTTONLIGHT_CONTROL_ON;
else
buttonlight_control = BUTTONLIGHT_CONTROL_OFF;
}
else
if(buttonlight_target>sc606regBval)
sc606regCval=++sc606regBval;
else
sc606regCval=--sc606regBval;
{
sc606regCval=--sc606regBval;
if(buttonlight_target==sc606regBval)
buttonlight_control = BUTTONLIGHT_CONTROL_OFF;
}
break;
default:
break;
@ -261,7 +266,10 @@ static void led_control_service(void)
case SC606_CONTROL_CONF:
sc606_write(SC606_REG_CONF , sc606regCONFval);
sc606_changed=false;
sc606_control=SC606_CONTROL_IDLE;
if(backlight_control != BACKLIGHT_CONTROL_IDLE && buttonlight_control != BUTTONLIGHT_CONTROL_IDLE)
sc606_control=SC606_CONTROL_A12;
else
sc606_control=SC606_CONTROL_IDLE;
break;
default:
sc606_control=SC606_CONTROL_A12;