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Onda VX747/VX777: disable LCD when backlight is off (saves power)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24167 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2010-01-03 15:57:09 +00:00
parent 5313bf52b5
commit 4fdf4ad728
2 changed files with 18 additions and 4 deletions
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11
firmware/target/mips/ingenic_jz47xx/lcd-jz4740.c
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@ -49,20 +49,27 @@ void lcd_init_device(void)
system_enable_irq(DMA_IRQ(DMA_LCD_CHANNEL)); system_enable_irq(DMA_IRQ(DMA_LCD_CHANNEL));
} }
#ifdef HAVE_LCD_ENABLE
void lcd_enable(bool state) void lcd_enable(bool state)
{ {
if(lcd_is_on == state)
return;
__cpm_start_lcd();
if(state) if(state)
{ {
lcd_on(); lcd_on();
#ifdef HAVE_LCD_ENABLE
send_event(LCD_EVENT_ACTIVATION, NULL); send_event(LCD_EVENT_ACTIVATION, NULL);
#endif
} }
else else
lcd_off(); lcd_off();
__cpm_stop_lcd();
lcd_is_on = state; lcd_is_on = state;
} }
#endif
bool lcd_active(void) bool lcd_active(void)
{ {

9
firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-onda_vx7X7.c
View file

@ -22,6 +22,7 @@
#include "config.h" #include "config.h"
#include "jz4740.h" #include "jz4740.h"
#include "backlight-target.h" #include "backlight-target.h"
#include "lcd.h"
/* PWM_CHN7 == GPIO(32*3 + 31) */ /* PWM_CHN7 == GPIO(32*3 + 31) */
#define BACKLIGHT_GPIO (32*3+31) #define BACKLIGHT_GPIO (32*3+31)
@ -89,12 +90,18 @@ bool _backlight_init(void)
void _backlight_on(void) void _backlight_on(void)
{ {
#ifdef HAVE_LCD_ENABLE
lcd_enable(true); /* power on lcd */
#endif
set_backlight_on(); set_backlight_on();
} }
void _backlight_off(void) void _backlight_off(void)
{ {
set_backlight_off(); set_backlight_off();
#ifdef HAVE_LCD_ENABLE
lcd_enable(false); /* power off lcd */
#endif
} }
#ifdef HAVE_BACKLIGHT_BRIGHTNESS #ifdef HAVE_BACKLIGHT_BRIGHTNESS
@ -108,6 +115,6 @@ void _backlight_set_brightness(int brightness)
/* Turn off LED supply */ /* Turn off LED supply */
void _backlight_lcd_sleep(void) void _backlight_lcd_sleep(void)
{ {
set_backlight_off(); _backlight_off();
} }
#endif #endif