4 files changed, 22 insertions, 18 deletions

diff --git a/firmware/export/as3514.h b/firmware/export/as3514.h
index 39a99415b6..c7353a2e97 100644
--- a/firmware/export/as3514.h
+++ b/firmware/export/as3514.h
@@ -51,6 +51,10 @@ extern void audiohw_set_lineout_vol(int vol_l, int vol_r);
 #define AS3514_AUDIOSET2  0x15
 #define AS3514_AUDIOSET3  0x16
 #define AS3517_USB_UTIL   0x17  /* only in as3517+ */
+
+#define AS3543_BACKLIGHT  0x1b  /* only in as3543 */
+#define AS3543_PMU_ENABLE 0x1c  /* only in as3543 */
+
 #define AS3514_PLLMODE    0x1d
 
 #define AS3514_SYSTEM     0x20
diff --git a/firmware/target/arm/as3525/sansa-clipplus/backlight-clip.c b/firmware/target/arm/as3525/sansa-clipplus/backlight-clip.c
index 5f5662f787..3216fc5463 100644
--- a/firmware/target/arm/as3525/sansa-clipplus/backlight-clip.c
+++ b/firmware/target/arm/as3525/sansa-clipplus/backlight-clip.c
@@ -27,8 +27,8 @@
 void _backlight_on(void)
 {
     ascodec_write(0x25, ascodec_read(0x25) | 2);    /* lcd power */
-    ascodec_write(0x1c, 8|1);
-    ascodec_write(0x1b, 0x90);
+    ascodec_write(AS3543_PMU_ENABLE, 8|1);
+    ascodec_write(AS3543_BACKLIGHT, 0x90);
     lcd_enable(true);
 }
 
@@ -36,6 +36,6 @@ void _backlight_off(void)
 {
     lcd_enable(false);
     ascodec_write(0x25, ascodec_read(0x25) & ~2);    /* lcd power */
-    ascodec_write(0x1c, 8|1);
-    ascodec_write(0x1b, 0x00);
+    ascodec_write(AS3543_PMU_ENABLE, 8|1);
+    ascodec_write(AS3543_BACKLIGHT, 0x00);
 }
diff --git a/firmware/target/arm/as3525/sansa-clipv2/backlight-clipv2.c b/firmware/target/arm/as3525/sansa-clipv2/backlight-clipv2.c
index fad9e6acff..72ecf29a75 100644
--- a/firmware/target/arm/as3525/sansa-clipv2/backlight-clipv2.c
+++ b/firmware/target/arm/as3525/sansa-clipv2/backlight-clipv2.c
@@ -27,8 +27,8 @@
 void _backlight_on(void)
 {
     ascodec_write(0x25, ascodec_read(0x25) | 2);    /* lcd power */
-    ascodec_write(0x1c, 8|1);
-    ascodec_write(0x1b, 0x90);
+    ascodec_write(AS3543_PMU_ENABLE, 8|1);
+    ascodec_write(AS3543_BACKLIGHT, 0x90);
     lcd_enable(true);
 }
 
@@ -36,8 +36,8 @@ void _backlight_off(void)
 {
     lcd_enable(false);
     ascodec_write(0x25, ascodec_read(0x25) & ~2);    /* lcd power */
-    ascodec_write(0x1c, 8|1);
-    ascodec_write(0x1b, 0);
+    ascodec_write(AS3543_PMU_ENABLE, 8|1);
+    ascodec_write(AS3543_BACKLIGHT, 0);
 }
 
 void _buttonlight_on(void)
diff --git a/firmware/target/arm/as3525/sansa-fuzev2/backlight-fuzev2.c b/firmware/target/arm/as3525/sansa-fuzev2/backlight-fuzev2.c
index 7e21460fe8..f547111a76 100644
--- a/firmware/target/arm/as3525/sansa-fuzev2/backlight-fuzev2.c
+++ b/firmware/target/arm/as3525/sansa-fuzev2/backlight-fuzev2.c
@@ -30,8 +30,8 @@ int buttonlight_is_on = 0;
 
 void _backlight_set_brightness(int brightness)
 {
-    ascodec_write(0x1c, 8|2); // sub register
-    ascodec_write(0x1b, brightness * 10);
+    ascodec_write(AS3543_PMU_ENABLE, 8|2); // sub register
+    ascodec_write(AS3543_BACKLIGHT, brightness * 10);
 }
 
 bool _backlight_init(void)
@@ -39,11 +39,11 @@ bool _backlight_init(void)
     GPIOB_DIR |= 1<<5; /* for buttonlight, stuff below seems to be needed
                           for buttonlight as well*/
 
-    ascodec_write(0x1c, 8|1); // sub register
-    ascodec_write(0x1b, 0x80);
+    ascodec_write(AS3543_PMU_ENABLE, 8|1); // sub register
+    ascodec_write(AS3543_BACKLIGHT, 0x80);
 
-    ascodec_write(0x1c, 8|2); // sub register
-    ascodec_write(0x1b, backlight_brightness * 10);
+    ascodec_write(AS3543_PMU_ENABLE, 8|2); // sub register
+    ascodec_write(AS3543_BACKLIGHT, backlight_brightness * 10);
     return true;
 }
 
@@ -52,14 +52,14 @@ void _backlight_on(void)
 #ifdef HAVE_LCD_ENABLE
     lcd_enable(true); /* power on lcd + visible display */
 #endif
-    ascodec_write(0x1c, 8|1); // sub register
-    ascodec_write(0x1b, 0x80);
+    ascodec_write(AS3543_PMU_ENABLE, 8|1); // sub register
+    ascodec_write(AS3543_BACKLIGHT, 0x80);
 }
 
 void _backlight_off(void)
 {
-    ascodec_write(0x1c, 8|1); // sub register
-    ascodec_write(0x1b, 0);
+    ascodec_write(AS3543_PMU_ENABLE, 8|1); // sub register
+    ascodec_write(AS3543_BACKLIGHT, 0);
 #ifdef HAVE_LCD_ENABLE
     lcd_enable(false); /* power off visible display */
 #endif