diff options
Diffstat (limited to 'firmware/target/arm/olympus/mrobe-100/backlight-mr100.c')
-rw-r--r-- | firmware/target/arm/olympus/mrobe-100/backlight-mr100.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/firmware/target/arm/olympus/mrobe-100/backlight-mr100.c b/firmware/target/arm/olympus/mrobe-100/backlight-mr100.c index 24a62d232f..f5a7370590 100644 --- a/firmware/target/arm/olympus/mrobe-100/backlight-mr100.c +++ b/firmware/target/arm/olympus/mrobe-100/backlight-mr100.c | |||
@@ -19,9 +19,10 @@ | |||
19 | 19 | ||
20 | #include "backlight-target.h" | 20 | #include "backlight-target.h" |
21 | #include "system.h" | 21 | #include "system.h" |
22 | #include "lcd.h" | 22 | |
23 | #include "backlight.h" | 23 | #define MIN_BRIGHTNESS 0x80ff08ff |
24 | #include "i2c-pp.h" | 24 | |
25 | static const int log_brightness[12] = {0,4,8,12,20,28,40,60,88,124,176,255}; | ||
25 | 26 | ||
26 | void _backlight_on(void) | 27 | void _backlight_on(void) |
27 | { | 28 | { |
@@ -33,23 +34,18 @@ void _backlight_off(void) | |||
33 | GPO32_ENABLE &= ~0x1000000; | 34 | GPO32_ENABLE &= ~0x1000000; |
34 | } | 35 | } |
35 | 36 | ||
37 | void _buttonlight_set_brightness(int brightness) | ||
38 | { | ||
39 | /* clamp the brightness value */ | ||
40 | brightness = MAX(0, MIN(15, brightness)); | ||
41 | |||
42 | outl(MIN_BRIGHTNESS-(log_brightness[brightness - 1] << 16), 0x7000a010); | ||
43 | } | ||
44 | |||
36 | void _buttonlight_on(void) | 45 | void _buttonlight_on(void) |
37 | { | 46 | { |
38 | /* turn on all touchpad leds */ | 47 | /* turn on all touchpad leds */ |
39 | GPIOA_OUTPUT_VAL |= BUTTONLIGHT_ALL; | 48 | GPIOA_OUTPUT_VAL |= BUTTONLIGHT_ALL; |
40 | |||
41 | #if 0 | ||
42 | /* Writing to 0x7000a010 controls the brightness of the leds. | ||
43 | This routine fades the leds from dim to bright, like when | ||
44 | you first turn the unit on. */ | ||
45 | unsigned long val = 0x80ff08ff; | ||
46 | int i = 0; | ||
47 | for (i = 0; i < 16; i++) | ||
48 | outl(val, 0x7000a010); | ||
49 | udelay(100000); | ||
50 | val -= 0x110000; | ||
51 | } | ||
52 | #endif | ||
53 | } | 49 | } |
54 | 50 | ||
55 | void _buttonlight_off(void) | 51 | void _buttonlight_off(void) |