Re: OmniVision OV9655 camera chip via soc-camera interface

[Stefan Herbrechtsmeier <hbmeier@hni.uni-paderborn.de>]

Guennadi Liakhovetski schrieb:
> On Mon, 14 Apr 2008, Stefan Herbrechtsmeier wrote:
>
>   
>> I'm writing a driver for the OmniVision OV9655 camera chip connected to a
>> PXA270 processor. I based my work on the soc_camera interface, but I need some
>> additional gpios for reset and power_enable. What is the best way to pass this
>> information to the driver?
>>     
>
> Look in pxa_camera.c, e.g., in pxa_camera_activate. There are function calls like
>
> pxa_camera_activate(struct pxa_camera_dev *pcdev)
> {
> 	struct pxacamera_platform_data *pdata = pcdev->pdata;
>
> ...
>
> 	pdata->power(pcdev->dev, 1);
>
> ...
>
> 	pdata->reset(pcdev->dev, 1);
>
> in it, which should do exactly what you need. And they are supposed to be 
> implemented in the platform, so, you have all the required GPIO 
> information you need there. That is exactly the reason they are defined 
> that way - because they were thought to be platform-dependent. Let me know 
> if there's still anything missing. It is still a work in progress, so, we 
> are flexible and can add any (reasonable) APIs we find useful.
>   
Thanks, that exact what I search, but maybe this functions should be in 
the soc_camera_link. I think this functions belong to the camera chip 
and not to the capture interface. This allows more than one camera chip 
on one capture interface with separate enable and reset.
> Thanks
> Guennadi
> ---
> Guennadi Liakhovetski
>   
Thanks
    Stefan

-- 
Dipl.-Ing. Stefan Herbrechtsmeier

Heinz Nixdorf Institute
University of Paderborn 
System and Circuit Technology 
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D-33102 Paderborn (Germany)

office : F0.415
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