Re: [PATCH] Adding YUV input support for OMAP3ISP driver

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On Sat, Feb 4, 2012 at 12:48 PM, Gary Thomas <gary@xxxxxxxxxxxx> wrote:
> On 2012-01-30 10:30, Gary Thomas wrote:
>>
>> On 2012-01-20 05:19, Laurent Pinchart wrote:
>>>
>>> Hi Enrico,
>>>
>>> On Thursday 19 January 2012 15:17:57 Enrico wrote:
>>>>
>>>> On Thu, Jan 19, 2012 at 2:52 PM, Gary Thomas<gary@xxxxxxxxxxxx> wrote:
>>>>>
>>>>> On 2012-01-19 06:35, Gary Thomas wrote:
>>>>>>
>>>>>> My camera init code is attached. In the previous kernel, the I2C bus
>>>>>> was
>>>>>> probed implicitly when I initialized the OMAP3ISP. I thought I
>>>>>> remembered some discussion about how that worked (maybe changing), so
>>>>>> this is probably
>>>>>> where the problem starts.
>>>>>>
>>>>>> If you have an example, I can check my setup against it.
>>>>>
>>>>>
>>>>> Note: I reworked how the sensor+I2C was initialized to be
>>>>> omap3_init_camera(&cobra3530p73_isp_platform_data);
>>>>>
>>>>>
>>>>> omap_register_i2c_bus(cobra3530p73_isp_platform_data.subdevs->subdevs[0]
>>>>> .i2c_adapter_id, 400,
>>>>>
>>>>> cobra3530p73_isp_platform_data.subdevs->subdevs[0].board_info, 1);
>>>>>
>>>>> The TVP5150 is now found, but 'media-ctl -p' still dies :-(
>>>>
>>>>
>>>> Have a look at [1] (the linux_3.2.bb file to see the list of
>>>> patches,inside linux-3.2 directory for the actual patches), it's based
>>>> on mainline kernel 3.2 and the bt656 patches i submitted months ago,
>>>> it should be easy to adapt it for you board.
>>>>
>>>> <rant>
>>>> Really, there are patches for all these problems since months (from
>>>> me, Javier, TI), but because no maintainer cared (apart from Laurent)
>>>> they were never reviewed/applied and there is always someone who comes
>>>> back with all the usual problems (additional yuv format, bt656 mode,
>>>> tvp5150 that doesn't work...).
>>>> </rant>
>>>
>>>
>>> I totally understand your feeling.
>>>
>>> I'd like to get YUV support integrated in the OMAP3 ISP driver. However,
>>> I
>>> have no YUV image source hardware, so I can only review the patches but
>>> not
>>> test them.
>>>
>>> If someone can rebase the existing patches on top of
>>> http://git.linuxtv.org/pinchartl/media.git/shortlog/refs/heads/omap3isp-
>>> omap3isp-yuv and test them, then I'll review the result.
>>>
>>
>> The attached patches produce a working setup against Laurent's tree above.
>> That said, I don't recall exactly where which changes came from (I'm old
>> school and not very git savvy, sorry). I've CC'd all the folks I think
>> provided at least part of these changes. Perhaps we can all work together
>> to come up with a proper set of patches which can be pushed upstream
>> for this, once and for all?
>>
>> Thanks
>>
>
> Ping!  Is no one but me interested in getting these changes into
> the mainline?

I am interested, i didn't have time to test it but i will for sure.

And i think it's important to test non bt656/yuv sensors too, but i
have no hardware for that.

Enrico
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