From ef12b3b5c678e4fa44d60061b0c1bc312e589ba1 Mon Sep 17 00:00:00 2001
From: Jens Arnold <amiconn@rockbox.org>
Date: Mon, 12 Nov 2007 18:49:53 +0000
Subject: Hardware controlled backlight brightness for iPod Video and Nano,
 retaining the software PWM fade in/ fade out. * Backlight handling cleanup,
 getting rid of one layer of 'lowlevelness'. * Use atomic GPIO bit
 manipulation for PP502x backlight handling.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15599 a1c6a512-1295-4272-9138-f99709370657
---
 .../target/arm/tms320dm320/mrobe-500/backlight-mr500.c   | 16 ++++++++--------
 .../target/arm/tms320dm320/mrobe-500/backlight-target.h  |  8 ++++----
 firmware/target/arm/tms320dm320/mrobe-500/power-mr500.c  |  2 +-
 3 files changed, 13 insertions(+), 13 deletions(-)

(limited to 'firmware/target/arm/tms320dm320')

diff --git a/firmware/target/arm/tms320dm320/mrobe-500/backlight-mr500.c b/firmware/target/arm/tms320dm320/mrobe-500/backlight-mr500.c
index b570f3e8fc..88ed0994f5 100644
--- a/firmware/target/arm/tms320dm320/mrobe-500/backlight-mr500.c
+++ b/firmware/target/arm/tms320dm320/mrobe-500/backlight-mr500.c
@@ -26,18 +26,18 @@
 #include "power.h"
 #include "spi-target.h"
 
-void __backlight_on(void)
+void _backlight_on(void)
 {
-    __backlight_set_brightness(DEFAULT_BRIGHTNESS_SETTING);
+    _backlight_set_brightness(DEFAULT_BRIGHTNESS_SETTING);
 }
 
-void __backlight_off(void)
+void _backlight_off(void)
 {
-    __backlight_set_brightness(0);
+    _backlight_set_brightness(0);
 }
 
 /* Assumes that the backlight has been initialized */
-void __backlight_set_brightness(int brightness)
+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);
@@ -45,13 +45,13 @@ void __backlight_set_brightness(int brightness)
 
 void __backlight_dim(bool dim_now)
 {
-    __backlight_set_brightness(dim_now ?
+    _backlight_set_brightness(dim_now ?
         DEFAULT_BRIGHTNESS_SETTING :
         DEFAULT_DIMNESS_SETTING);
 }
 
-bool __backlight_init(void)
+bool _backlight_init(void)
 {
-    __backlight_set_brightness(DEFAULT_BRIGHTNESS_SETTING);
+    _backlight_set_brightness(DEFAULT_BRIGHTNESS_SETTING);
     return true;
 }
diff --git a/firmware/target/arm/tms320dm320/mrobe-500/backlight-target.h b/firmware/target/arm/tms320dm320/mrobe-500/backlight-target.h
index 783b9e1320..e53f8eb691 100644
--- a/firmware/target/arm/tms320dm320/mrobe-500/backlight-target.h
+++ b/firmware/target/arm/tms320dm320/mrobe-500/backlight-target.h
@@ -20,10 +20,10 @@
 #ifndef BACKLIGHT_TARGET_H
 #define BACKLIGHT_TARGET_H
 
-bool __backlight_init(void);
-void __backlight_on(void);
-void __backlight_off(void);
-void __backlight_set_brightness(int brightness);
+bool _backlight_init(void);
+void _backlight_on(void);
+void _backlight_off(void);
+void _backlight_set_brightness(int brightness);
 
 /* true: backlight fades off - false: backlight fades on */
 void __backlight_dim(bool dim);
diff --git a/firmware/target/arm/tms320dm320/mrobe-500/power-mr500.c b/firmware/target/arm/tms320dm320/mrobe-500/power-mr500.c
index 3a6dad77f4..19f2439039 100644
--- a/firmware/target/arm/tms320dm320/mrobe-500/power-mr500.c
+++ b/firmware/target/arm/tms320dm320/mrobe-500/power-mr500.c
@@ -64,7 +64,7 @@ bool ide_powered(void)
 void power_off(void)
 {
     /* turn off backlight and wait for 1 second */
-    __backlight_off();
+    _backlight_off();
     sleep(HZ);
     /* Hard shutdown */
     IO_GIO_BITSET1|=1<<10;
-- 
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