This should help keeping the screen black when booting the kernel.
Signed-off-by: Anatolij Gustschin agust@denx.de Reported-by: Fabio Estevam festevam@gmail.com --- board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c index 086e0e6739..9cb5b14f13 100644 --- a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c +++ b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c @@ -384,6 +384,15 @@ int checkboard(void) return 0; }
+/* + * Backlight off and reset LCD before OS handover + */ +void board_preboot_os(void) +{ + gpio_set_value(IMX_GPIO_NR(1, 8), 0); + gpio_set_value(IMX_GPIO_NR(5, 9), 0); +} + #ifdef CONFIG_SPL_BUILD #include <linux/libfdt.h> #include <spl.h>