| Message ID | 20200125233559.27763-1-agust@denx.de |
|---|---|
| State | Accepted |
| Commit | 7814abc032ef381cf89004daf0f2ae3123550026 |
| Headers | show |
| Series | imx: mx6ul_14x14_evk: turn of backlight and LCD before booting OS | expand |
HI Anatolij, On Sat, Jan 25, 2020 at 8:36 PM Anatolij Gustschin <agust at denx.de> wrote: > > This should help keeping the screen black when booting the kernel. > > Signed-off-by: Anatolij Gustschin <agust at denx.de> > Reported-by: Fabio Estevam <festevam at gmail.com> Excellent! This keeps the screen black before booting the kernel: Tested-by: Fabio Estevam <festevam at gmail.com>
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>
This should help keeping the screen black when booting the kernel. Signed-off-by: Anatolij Gustschin <agust at denx.de> Reported-by: Fabio Estevam <festevam at gmail.com> --- board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c | 9 +++++++++ 1 file changed, 9 insertions(+)