Merge branch 'master' of git://git.denx.de/u-boot-sunxi

[platform/kernel/u-boot.git] / board / toradex / colibri_t20 / colibri_t20.c

diff --git a/board/toradex/colibri_t20/colibri_t20.c b/board/toradex/colibri_t20/colibri_t20.c
index 5dd0f28..e0b27e9 100644 (file)
--- a/board/toradex/colibri_t20/colibri_t20.c
+++ b/board/toradex/colibri_t20/colibri_t20.c
@@ -150,4 +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