LCD resolution

Carlos Camargo cicamargoba at gmail.com
Wed Nov 18 12:22:08 EST 2009


Hi
I have the module A030DN01V0, the Datasheet is for the A030DN01 V7, I don't
know if there are some differences, between V0 and V7. I change the values
in R13, but the error continue.

The LCD is the HJ720A39892 I don't know if this is an GPM or AUO


Best Regards


Carlos


On Wed, Nov 18, 2009 at 10:39 AM, Adam Wang <adam at qi-hardware.com> wrote:

> Hi Carlos,
>
> I don't know that if auo will have difference with same behaviour compared
> to gpm display;
> From gpm's R13h, the 0x01h setting will use Delta color filter(Default) and
> Aligment mode for Input data must always be R1, G1, B1, R2 , G2, B2
> ...sequence.(Entry Control). But does this setting caused that condition
> happened?, don't know about this. because I did not find R13h register in
> auo.
>  Adam
>
>
> On Wed, Nov 18, 2009 at 8:39 PM, Carlos Camargo <cicamargoba at gmail.com>wrote:
>
>> Hi Adam
>>
>> There are differences between the LCD modules?
>>
>>
>> Carlos
>>
>>
>> On Tue, Nov 17, 2009 at 8:46 PM, Adam Wang <adam at qi-hardware.com> wrote:
>>
>>> Hi Carlos,
>>>
>>> Please check which display you're using. If you used the sample I sent
>>> you that is AUO display.
>>> Adam
>>>
>>>
>>> On Wed, Nov 18, 2009 at 2:23 AM, Lars-Peter Clausen <lars at metafoo.de>wrote:
>>>
>>>> -----BEGIN PGP SIGNED MESSAGE-----
>>>> Hash: SHA1
>>>>
>>>> Carlos Camargo wrote:
>>>> > Sorry,
>>>> >
>>>> > Lars Can you tell me the file name where this mode is set?
>>>> >
>>>> > Carlos
>>>> >
>>>> >
>>>> > On Tue, Nov 17, 2009 at 12:22 PM, Carlos Camargo
>>>> > <cicamargoba at gmail.com>wrote:
>>>> >
>>>> >> Hi Lars
>>>> >>
>>>> >>
>>>> >>> Looks as if your LCD is in the wrong mode[1]. On every second
>>>> >>> line red and blue are exchanged. You should really upgrade
>>>> >>> either your bootloader or your kernel.
>>>> >>>
>>>> >>
>>>> >> I'm using the last kernel and U-boot from QI-hardware page, Can
>>>> >> you tell me what is the file when this mode is set?
>>>> Hi
>>>>
>>>> Hu? I just noticed that the patch never made it into u-boot. :/
>>>> For the kernel the file is drivers/video/backlight/gpm940b0.c line 177
>>>> (gpm940b0_write_reg(spi, 0x13, 0x01)).
>>>>
>>>> - - Lars
>>>> -----BEGIN PGP SIGNATURE-----
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>>>> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
>>>>
>>>> iEYEARECAAYFAksC6hcACgkQBX4mSR26RiM2MACgiLvuuhRSAWXSh3TEb1GjnmRl
>>>> 2noAn2UNjO9ehkY27UlDcz/g6cKwHttl
>>>> =uyZv
>>>> -----END PGP SIGNATURE-----
>>>>
>>>>
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>>>
>>>
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>>
>>
>>
>> --
>> Carlos Iván Camargo Bareño
>> Profesor Asistente
>> Departamento de Ingeniería Eléctrica y Electrónica
>> Universidad Nacional de Colombia
>> cicamargoba at unal.edu.co
>>
>> _______________________________________________
>> Qi Developer Mailing List
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>
>
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-- 
Carlos Iván Camargo Bareño
Profesor Asistente
Departamento de Ingeniería Eléctrica y Electrónica
Universidad Nacional de Colombia
cicamargoba at unal.edu.co
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