[U-Boot] [PATCH 15/17] sunxi: Ippo_q8h defconfigs: Enable the LCD panel found on these tablets.

Hans de Goede hdegoede at redhat.com
Wed Dec 31 12:22:09 CET 2014


Hi,

On 30-12-14 12:25, Siarhei Siamashka wrote:
> On Tue, 30 Dec 2014 11:36:23 +0100
> Hans de Goede <hdegoede at redhat.com> wrote:
>
>> Hi,
>>
>> On 30-12-14 11:26, Hans de Goede wrote:
>>> Hi,
>>>
>>> On 30-12-14 11:18, Siarhei Siamashka wrote:
>>
>> <snip>
>>
>>>> BTW, I have done a preliminary automatic conversion for all FEX
>>>> files from sunxi-boards, which enable lcd0 in fex. The results are
>>>> now available at the all the same http://linux-sunxi.org/LCD wiki page.
>>>
>>> Cool, thanks for doing this!
>>
>> I've just taken a look, looks good, as for the yellow entries with:
>>
>> # warning: could not decode 'lcd_power' (port:power0<1><0><default><1>)
>>
>> Those should be translated to:
>>
>> CONFIG_VIDEO_LCD_FOO="AXP0-0" for power0
>> CONFIG_VIDEO_LCD_FOO="AXP0-1" for power1
>
> Is this supported only for AXP209 so far?

Yes.

> What about the devices with a different PMIC?

Adding support for those should be easy to do on an as needed basis,
and will use the same string notation. The string parsing code is
generic and not isolated to axp209.c .

>
>> And I think you can also drop the:
>>
>> "# warning: 'lcd_pwm' gpio extracted from 'pwm0_para' section"
>>
>> That seems to be the right thing todo for A23 at least.
>
> OK. Right now it looks up the "pwmX_para" section, where X is the
> number from "lcd_pwm_ch" found in the "lcd0_para" section.
>
> Thanks for your comments and clarifications.

You're welcome, thanks for your work on this.

Regards,

Hans



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