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Add software backlight fading for E100/H300/X5/D2, by Thomas Martitz and others - see FS#6800 for credits.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19221 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Steve Bavin 2008-11-26 08:26:13 +00:00
parent 756bcc4bd5
commit f684726580
18 changed files with 304 additions and 39 deletions
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13
firmware/target/arm/tcc780x/cowond2/backlight-cowond2.c
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@ -24,27 +24,20 @@
#include "pcf50606.h"
#include "tcc780x.h"
static unsigned short backlight_brightness = DEFAULT_BRIGHTNESS_SETTING;
int _backlight_init(void)
{
_backlight_set_brightness(DEFAULT_BRIGHTNESS_SETTING);
/* set backlight on by default, since the screen is unreadable without it */
_backlight_on();
return true;
}
void _backlight_set_brightness(int brightness)
{
backlight_brightness = brightness;
int level = disable_irq_save();
pcf50606_write(PCF5060X_PWMC1, 0xe1 | (14-backlight_brightness)<<1);
pcf50606_write(PCF5060X_PWMC1, 0xe1 | (MAX_BRIGHTNESS_SETTING-brightness)<<1);
pcf50606_write(PCF5060X_GPOC1, 0x3);
restore_irq(level);
if (brightness > 0)
_backlight_on();
else
_backlight_off();
}
void _backlight_on(void)