x5: No more remote LCD streaks when powering off with remote active. Will not affect hot unplugging of course.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10967 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 29 insertions, 19 deletions

diff --git a/firmware/target/coldfire/iaudio/x5/lcd-remote-target.h b/firmware/target/coldfire/iaudio/x5/lcd-remote-target.h
index 8c20526..783363b 100755
--- a/firmware/target/coldfire/iaudio/x5/lcd-remote-target.h
+++ b/firmware/target/coldfire/iaudio/x5/lcd-remote-target.h
@@ -28,6 +28,7 @@ void lcd_remote_powersave(bool on);
 void lcd_remote_set_contrast(int val);
 void lcd_remote_on(void);
 void lcd_remote_off(void);
+void lcd_remote_poweroff(void); /* for when remote is plugged during shutdown*/
 
 extern bool remote_initialized;
 
diff --git a/firmware/target/coldfire/iaudio/x5/lcd-remote-x5.c b/firmware/target/coldfire/iaudio/x5/lcd-remote-x5.c
index d707e95..46e1eba 100755
--- a/firmware/target/coldfire/iaudio/x5/lcd-remote-x5.c
+++ b/firmware/target/coldfire/iaudio/x5/lcd-remote-x5.c
@@ -23,23 +23,23 @@
 
 /* The LCD in the iAudio M3/M5/X5 remote control is a Tomato LSI 0350 */
 
-#define	LCD_SET_DUTY_RATIO 0x48
-#define	LCD_SELECT_ADC     0xa0
-#define	LCD_SELECT_SHL     0xc0
-#define	LCD_SET_COM0       0x44
-#define	LCD_OSC_ON         0xab
-#define	LCD_SELECT_DCDC    0x64
-#define	LCD_SELECT_RES     0x20
-#define	LCD_SET_VOLUME     0x81
-#define	LCD_SET_BIAS       0x50
-#define	LCD_CONTROL_POWER  0x28
-#define	LCD_DISPLAY_ON     0xae
-#define	LCD_SET_INITLINE   0x40
-#define	LCD_SET_COLUMN     0x10
-#define	LCD_SET_PAGE       0xb0
-#define	LCD_SET_GRAY       0x88
-#define	LCD_SET_PWM_FRC    0x90
-#define	LCD_SET_POWER_SAVE 0xa8
+#define LCD_SET_DUTY_RATIO 0x48
+#define LCD_SELECT_ADC     0xa0
+#define LCD_SELECT_SHL     0xc0
+#define LCD_SET_COM0       0x44
+#define LCD_OSC_ON         0xab
+#define LCD_SELECT_DCDC    0x64
+#define LCD_SELECT_RES     0x20
+#define LCD_SET_VOLUME     0x81
+#define LCD_SET_BIAS       0x50
+#define LCD_CONTROL_POWER  0x28
+#define LCD_DISPLAY_ON     0xae
+#define LCD_SET_INITLINE   0x40
+#define LCD_SET_COLUMN     0x10
+#define LCD_SET_PAGE       0xb0
+#define LCD_SET_GRAY       0x88
+#define LCD_SET_PWM_FRC    0x90
+#define LCD_SET_POWER_SAVE 0xa8
 #define LCD_REVERSE        0xa6
 
 #define CS_LO      and_l(~0x00000020, &GPIO1_OUT)
@@ -328,7 +328,7 @@ void lcd_remote_init_device(void)
     or_l(0x00000020, &GPIO1_OUT);
     or_l(0x00000020, &GPIO1_ENABLE);
     or_l(0x00000020, &GPIO1_FUNCTION);
-	
+    
     and_l(~0x01000000, &GPIO_OUT);
     and_l(~0x01000000, &GPIO_ENABLE);
     or_l(0x01000000, &GPIO_FUNCTION);
@@ -339,7 +339,7 @@ void lcd_remote_on(void)
     CS_HI;
     CLK_HI;
     sleep(10);
-	
+    
     lcd_remote_write_command(LCD_SET_DUTY_RATIO);
     lcd_remote_write_command(0x70);  /* 1/128 */
     
@@ -382,6 +382,13 @@ void lcd_remote_off(void)
     RS_HI;
 }
 
+void lcd_remote_poweroff(void)
+{
+    /* Set power save -> Power OFF (VDD - VSS) .. that's it */
+    if (remote_initialized && remote_detect())
+        lcd_remote_write_command(LCD_SET_POWER_SAVE | 1);
+}
+
 /* Update the display.
    This must be called after all other LCD functions that change the display. */
 void lcd_remote_update(void) ICODE_ATTR;
diff --git a/firmware/target/coldfire/iaudio/x5/power-x5.c b/firmware/target/coldfire/iaudio/x5/power-x5.c
index ee06353..4d44500 100644
--- a/firmware/target/coldfire/iaudio/x5/power-x5.c
+++ b/firmware/target/coldfire/iaudio/x5/power-x5.c
@@ -23,6 +23,7 @@
 #include "system.h"
 #include "power.h"
 #include "pcf50606.h"
+#include "lcd-remote-target.h"
 
 #ifndef SIMULATOR
 
@@ -58,6 +59,7 @@ bool ide_powered(void)
 
 void power_off(void)
 {
+    lcd_remote_poweroff();
     set_irq_level(HIGHEST_IRQ_LEVEL);
     and_l(~0x00000008, &GPIO_OUT); /* Set KEEPACT low */
     asm("halt");