Re: linux camera drivers
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On Fri, Mar 2, 2012 at 10:08 AM, Mayank Agarwal <mayank77fromindia@xxxxxxxxx> wrote:1.I think the device supports i2c or spi protocol.I want to know how the i2c or spi is taking data
from image sensor and giving it to video buffers.
Most of the cameras support i2c or csi.
2.I want to understand the whole data flow from image sensor to the display buffer and the role of linux kernel
camera drivers in that.
For this you need to understand the V4L2 Framework, Or later Media Controller Framework.
3.Currently i am looking at Sony IMX036,Aptima MT9P031.
Thanks and Regards,
MayankOn Thu, Mar 1, 2012 at 8:22 PM, Greg KH <greg@xxxxxxxxx> wrote:
On Thu, Mar 01, 2012 at 05:57:52PM +0530, Mayank Agarwal wrote:It depends, which type of protocol does your device support?
> Hi all,
> I have following questions regarding camera drivers in linux kernel.
> 1.which are the files/folder in kernel directory where camera drivers support
> is provided in linux kernel.
It depends on what the requirements are. As it's software, it's always
> 2.Are they customisable according to different SOC requirements.
able to be changed :)
What is wrong with the code itself?
> 3.Are there any tutorials/pdfs to understand camera drivers in linux kernel.
What sensor are you looking for exactly?
> 4.At present which sensor (i mean aptina/sony/omnivision) drivers are supported
> in linux kernel.
What device do you need to support, and what protocol does your camera
use to talk to the hardware?
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