X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Ftoradex%2Fcolibri_t20%2Fcolibri_t20.c;h=e0b27e92f8e339e7ab99d29337fb1d6b20cfbca8;hb=da206916a14fc8ab8962763c47673128a29b4b9c;hp=71b8fd3ede0b90fc10327ed7f40d19e8c0953cc1;hpb=e14b1169c0c5a1b362b41451006b492bd16f2fff;p=platform%2Fkernel%2Fu-boot.git

diff --git a/board/toradex/colibri_t20/colibri_t20.c b/board/toradex/colibri_t20/colibri_t20.c
index 71b8fd3..e0b27e9 100644
--- a/board/toradex/colibri_t20/colibri_t20.c
+++ b/board/toradex/colibri_t20/colibri_t20.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  *  Copyright (C) 2012 Lucas Stach
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -151,4 +150,13 @@ void pin_mux_display(void)
 	pinmux_set_func(PMUX_PINGRP_SDC, PMUX_FUNC_PWM);
 	pinmux_tristate_disable(PMUX_PINGRP_SDC);
 }
+
+/*
+ * Backlight off before OS handover
+ */
+void board_preboot_os(void)
+{
+	gpio_request(TEGRA_GPIO(T, 4), "BL_ON");
+	gpio_direction_output(TEGRA_GPIO(T, 4), 0);
+}
 #endif