rk3066b m701: fix white screen when reboot loader

diff --git a/arch/arm/mach-rk30/board-rk3066b-m701.c b/arch/arm/mach-rk30/board-rk3066b-m701.c
index fb3b4ffc4371c527f405351679c97d627a16b301..17cd332f1f5420db97e0066df6298cc718e17398 100755 (executable)
--- a/arch/arm/mach-rk30/board-rk3066b-m701.c
+++ b/arch/arm/mach-rk30/board-rk3066b-m701.c
@@ -246,9 +246,13 @@ static int rk29_backlight_io_deinit(void)
 {
        int ret = 0;
 #ifdef  LCD_DISP_ON_PIN
+       gpio_direction_output(BL_EN_PIN, 0);
+       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);
+       gpio_request(PWM_GPIO, NULL);
+       gpio_direction_output(PWM_GPIO, GPIO_LOW);
        return ret;
 }