Implement software pwm to control c200v2 display brightness.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25300 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 7 insertions, 0 deletions

diff --git a/firmware/target/arm/as3525/sansa-c200v2/backlight-target.h b/firmware/target/arm/as3525/sansa-c200v2/backlight-target.h
index 84a6ea6179..c09e759138 100644
--- a/firmware/target/arm/as3525/sansa-c200v2/backlight-target.h
+++ b/firmware/target/arm/as3525/sansa-c200v2/backlight-target.h
@@ -24,6 +24,7 @@
 #include <stdbool.h>
 
 bool _backlight_init(void);
+void _backlight_pwm(int on);
 void _backlight_on(void);
 void _backlight_off(void);
 void _backlight_set_brightness(int brightness);
@@ -31,4 +32,10 @@ int  __backlight_is_on(void);
 
 void _buttonlight_on(void);
 void _buttonlight_off(void);
+
+/*
+ * FIXME: This may be better off in kernel.h, but...
+ */
+void _set_timer2_pwm_ratio(int ratio);
+
 #endif