Re: [PATCH 4/4] media: platform: Add Aspeed Video Engine driver

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Hi Eddie,

On 29 August 2018 at 18:09, Eddie James <eajames@xxxxxxxxxxxxxxxxxx> wrote:
> The Video Engine (VE) embedded in the Aspeed AST2400 and AST2500 SOCs
> can capture and compress video data from digital or analog sources. With
> the Aspeed chip acting a service processor, the Video Engine can capture
> the host processor graphics output.
>
> Add a V4L2 driver to capture video data and compress it to JPEG images,
> making the data available through a standard read interface.
>
> Signed-off-by: Eddie James <eajames@xxxxxxxxxxxxxxxxxx>
> ---
>  drivers/media/platform/Kconfig        |    8 +
>  drivers/media/platform/Makefile       |    1 +
>  drivers/media/platform/aspeed-video.c | 1307 +++++++++++++++++++++++++++++++++
>  3 files changed, 1316 insertions(+)
>  create mode 100644 drivers/media/platform/aspeed-video.c
>
> diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
> index 94c1fe0..e599245 100644
> --- a/drivers/media/platform/Kconfig
> +++ b/drivers/media/platform/Kconfig
> @@ -32,6 +32,14 @@ source "drivers/media/platform/davinci/Kconfig"
>
>  source "drivers/media/platform/omap/Kconfig"
>
> +config VIDEO_ASPEED
> +       tristate "Aspeed AST2400 and AST2500 Video Engine driver"
> +       depends on VIDEO_V4L2

It seems you are not using videobuf2. I think it should simplify the read
I/O part and at the same time expose the other capture methods.

There are plenty of examples to follow.

Regards,
Eze



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