1 files changed, 1 insertions, 2 deletions

diff --git a/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-onda_vx747.c b/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-onda_vx747.c
index 598fa1a0eb..501a90551e 100644
--- a/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-onda_vx747.c
+++ b/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-onda_vx747.c
@@ -23,8 +23,7 @@
 #include "jz4740.h"
 #include "backlight-target.h"
 
-#define GPIO_PWM          (32*3)+31
-#define PWM_CHN            7
+#define PWM_CHN            7               /* PWM_CHN7 == GPIO(32*3 + 31) */
 #define __gpio_as_PWM_CHN  __gpio_as_pwm7
 
 static void set_backlight(int val)