diff --git a/arch/arm/mach-rk2928/board-rk2928-a720.c b/arch/arm/mach-rk2928/board-rk2928-a720.c
index 4d00381f74dc..821866e2f02b 100755
--- a/arch/arm/mach-rk2928/board-rk2928-a720.c
+++ b/arch/arm/mach-rk2928/board-rk2928-a720.c
@@ -106,6 +106,7 @@ static int rk29_backlight_io_deinit(void)
 {
 	int ret = 0;
 #ifdef  LCD_DISP_ON_PIN
+	gpio_set_value(BL_EN_PIN, !BL_EN_VALUE);
 	gpio_free(BL_EN_PIN);
 #endif
 	rk30_mux_api_set(PWM_MUX_NAME, PWM_MUX_MODE_GPIO);