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M:Robe 500 fix the backlight brightness setting.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20709 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Karl Kurbjun 2009-04-15 05:31:04 +00:00
parent ec7a0c5676
commit bf37ecb6b8
1 changed files with 13 additions and 5 deletions
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18
firmware/target/arm/tms320dm320/mrobe-500/backlight-mr500.c
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@ -28,6 +28,14 @@
#include "power.h"
#include "spi-target.h"
int _backlight_brightness=DEFAULT_BRIGHTNESS_SETTING;
static void _backlight_write_brightness(int brightness)
{
uint8_t bl_command[] = {0xa4, 0x00, brightness, 0xbb};
spi_block_transfer(SPI_target_BACKLIGHT, bl_command, 4, 0, 0);
}
void _backlight_on(void)
{
#if defined(HAVE_LCD_SLEEP) && !defined(BOOTLOADER)
@ -36,12 +44,12 @@ void _backlight_on(void)
#ifdef HAVE_LCD_ENABLE
lcd_enable(true); /* power on lcd + visible display */
#endif
_backlight_set_brightness(DEFAULT_BRIGHTNESS_SETTING);
_backlight_write_brightness(_backlight_brightness);
}
void _backlight_off(void)
{
_backlight_set_brightness(0);
_backlight_write_brightness(0);
#if defined(HAVE_LCD_SLEEP) && !defined(BOOTLOADER)
/* Disable lcd after fade completes (when lcd_sleep timeout expires) */
backlight_lcd_sleep_countdown(true); /* start countdown */
@ -51,8 +59,8 @@ void _backlight_off(void)
/* Assumes that the backlight has been initialized */
void _backlight_set_brightness(int brightness)
{
uint8_t bl_command[] = {0xa4, 0x00, brightness, 0xbb};
spi_block_transfer(SPI_target_BACKLIGHT, bl_command, 4, 0, 0);
_backlight_brightness=brightness;
_backlight_write_brightness(brightness);
}
void __backlight_dim(bool dim_now)
@ -64,6 +72,6 @@ void __backlight_dim(bool dim_now)
bool _backlight_init(void)
{
_backlight_set_brightness(DEFAULT_BRIGHTNESS_SETTING);
_backlight_set_brightness(_backlight_brightness);
return true;
}