[U-Boot] [PATCH] board: ge: bx50v3: don't configure the backlight when there's no display
Stefano Babic
sbabic at denx.de
Tue May 24 17:26:49 CEST 2016
Hi Andrew,
On 24/05/2016 16:09, Andrew Shadura wrote:
> On 24/05/16 16:07, Stefano Babic wrote:
>> Hi Andrew,
>>
>> On 20/05/2016 14:22, Andrew Shadura wrote:
>>>> Don't try to configure the backlight when CONFIG_VIDEO_IPUV3 isn't set.
>>>>
>>>> Signed-off-by: Andrew Shadura <andrew.shadura at collabora.co.uk>
>>>> ---
>>>> board/ge/bx50v3/bx50v3.c | 3 +++
>>>> 1 file changed, 3 insertions(+)
>>>>
>>>> diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c
>>>> index e167cd5..fb112ee 100644
>>>> --- a/board/ge/bx50v3/bx50v3.c
>>>> +++ b/board/ge/bx50v3/bx50v3.c
>>>> @@ -601,6 +601,8 @@ int board_late_init(void)
>>>> #ifdef CONFIG_CMD_BMODE
>>>> add_board_boot_modes(board_boot_modes);
>>>> #endif
>>>> +
>>>> +#ifdef CONFIG_VIDEO_IPUV3
>>>> /* We need at least 200ms between power on and backlight on
>>>> * as per specifications from CHI MEI */
>>>> mdelay(250);
>>>> @@ -615,6 +617,7 @@ int board_late_init(void)
>>>> gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
>>>>
>>>> pwm_enable(0);
>>>> +#endif
>> ...but CONFIG_VIDEO_IPUV3 is set in include/configs/ge_bx50v3.h, that
>> means your changes works on a out-of-tree version of the board.
>>
>> To get this real working, you need to set CONFIG_VIDEO_IPUV3 via
>> menuconfig, that is outside ge_bx50v3.h.
>
> The next change in the patchset makes use of this bit. I put this patch
> first so that I don't break things and only then fix them.
I suggest you send all your changes in a single patchset - this let
possible to understand all your changes and we can provide a better review.
Best regards,
Stefano Babic
--
=====================================================================
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
=====================================================================
More information about the U-Boot
mailing list