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Backlight support for Sansa, including brightness. Thanks to Rene

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Peinthor and FS#6608.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12186 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Barry Wardell 2007-02-03 13:39:20 +00:00
parent 1a2dddc346
commit a7af649766
3 changed files with 23 additions and 0 deletions
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6
firmware/export/config-e200.h
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@ -16,6 +16,12 @@
/* define this if you have a colour LCD */
#define HAVE_LCD_COLOR 1
#define HAVE_BACKLIGHT_BRIGHTNESS
/* Main LCD backlight brightness range and defaults */
#define MIN_BRIGHTNESS_SETTING 1
#define MAX_BRIGHTNESS_SETTING 12
#define DEFAULT_BRIGHTNESS_SETTING 6
/* define this if you have access to the quickscreen */
#define HAVE_QUICKSCREEN

16
firmware/target/arm/sandisk/sansa-e200/backlight-e200.c
View file

@ -16,10 +16,26 @@
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "backlight-target.h"
#include "system.h"
#include "backlight.h"
#include "i2c-pp.h"
static unsigned short backlight_brightness;
void __backlight_set_brightness(int brightness)
{
backlight_brightness = brightness;
pp_i2c_send( 0x46, 0x23, backlight_brightness);
}
void __backlight_on(void)
{
pp_i2c_send( 0x46, 0x23, backlight_brightness);
}
void __backlight_off(void)
{
pp_i2c_send( 0x46, 0x23, 0x0);
}

1
firmware/target/arm/sandisk/sansa-e200/backlight-target.h
View file

@ -21,5 +21,6 @@
void __backlight_on(void);
void __backlight_off(void);
void __backlight_set_brightness(int brightness);
#endif