[U-Boot] [PATCH] sunxi: display: Make lcd display clk phase configurable

Siarhei Siamashka siarhei.siamashka at gmail.com
Sun Jan 18 12:33:52 CET 2015


On Tue, 13 Jan 2015 13:33:32 +0100
Hans de Goede <hdegoede at redhat.com> wrote:

> While running some tests with an Olinuxino-A13-Micro + a 7" Olimex LCD module
> I noticed that the screen flickered. This is caused by the lcd display clk
> phase reg value being set to 0, where it should be 1 in this setup.
> 
> This commit adds a Kconfig option for the lcd display clk phase, so that we
> can set it per board. This defaults to 1, because looking at all the fex
> files in sunxi-boards, that is by far the most used value.

What is the name of this option in fex files?

> This commit updated the Ippo and MSI Primo73 tablet defconfigs to override the
> default of 1 with 0, as that is the correct value for those tablets, this
> keeps the register settings the same as before this commit.
> 
> The Olinuxino-A13 defconfigs are not updated, changing the register setting
> for these boards from 0 to 1, this is intentional.

[...]

-- 
Best regards,
Siarhei Siamashka


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