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m:robe 100 - enable setting for buttonlight brightness

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17134 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Robert Kukla 2008-04-15 23:38:45 +00:00
parent 620e6b4d93
commit 4c86e34517
4 changed files with 18 additions and 19 deletions
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28
firmware/target/arm/olympus/mrobe-100/backlight-mr100.c
View file

@ -19,9 +19,10 @@
#include "backlight-target.h"
#include "system.h"
#include "lcd.h"
#include "backlight.h"
#include "i2c-pp.h"
#define MIN_BRIGHTNESS 0x80ff08ff
static const int log_brightness[12] = {0,4,8,12,20,28,40,60,88,124,176,255};
void _backlight_on(void)
{
@ -33,23 +34,18 @@ void _backlight_off(void)
GPO32_ENABLE &= ~0x1000000;
}
void _buttonlight_set_brightness(int brightness)
{
/* clamp the brightness value */
brightness = MAX(0, MIN(15, brightness));
outl(MIN_BRIGHTNESS-(log_brightness[brightness - 1] << 16), 0x7000a010);
}
void _buttonlight_on(void)
{
/* turn on all touchpad leds */
GPIOA_OUTPUT_VAL |= BUTTONLIGHT_ALL;
#if 0
/* Writing to 0x7000a010 controls the brightness of the leds.
This routine fades the leds from dim to bright, like when
you first turn the unit on. */
unsigned long val = 0x80ff08ff;
int i = 0;
for (i = 0; i < 16; i++)
outl(val, 0x7000a010);
udelay(100000);
val -= 0x110000;
}
#endif
}
void _buttonlight_off(void)

1
firmware/target/arm/olympus/mrobe-100/backlight-target.h
View file

@ -35,6 +35,7 @@ void _backlight_off(void);
BUTTONLIGHT_DISPLAY | BUTTONLIGHT_LEFT | \
BUTTONLIGHT_RIGHT | BUTTONLIGHT_SCROLL)
void _buttonlight_set_brightness(int brightness);
void _buttonlight_on(void);
void _buttonlight_off(void);