[libcamera-devel] Fwd: Surface Go VCM type (was: Need to pass acpi_enforce_resources=lax on the Surface Go (version1))

[Hans de Goede]

Hi,

On 11/9/21 17:35, Daniel Scally wrote:

<snip>

>> Talking about this Dell Latitude 7285, I haven't had a chance to
>> look into this at all. But chances are I will need to do some
>> I2C-register dumps under Windows, last time you mentioned you
>> had some small tool for this ? It is ok if it is a bit hackish,
>> it will still be very useful to have :)  And I believe I will
>> also need to override the DSDT under Windows for this, right?
>> I should be able to cope with that too.
> 
> 
> So the tool I was using was the I2cTestTool [1], which requires you to
> first hack the DSDT to enable usermode access [2]. You need the
> Microsoft ASL compiler [3] to insert the new DSDT, but fwiw I gave up
> trying to use their tool to actually compile the table and just did it
> running Ubuntu with iasl, then saved the file onto the Go2's SD card and
> loaded it using asl.exe in Windows...the MS tool just wouldn't compile
> for whatever reason.
> 
> 
> All that said; you don't actually need to do this for the Latitude 7285
> - on the Github thread a chap with that device found the schematics and
> posted them [4], so we should already have the information we need to
> populate the board data for that one. The sensor drivers need some work
> though - the ov9734 I have a series somewhere that I think should work
> but haven't ever tested, the ov8858 I don't think anyone's looked at yet.

Awesome, thank you very much for these links.

If you can dig up the ov9734 patch series you have and email me a copy (1),
that would be great, then I can start looking into getting things to work
on the Latitude 7285.

Regards,

Hans


1) No need to make it compile with the latest, I can take care of that
just email me what you have :)