Re: [RFC PATCH 3/4] v4l: Add V4L2_CID_WDR button control

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



hi,

On Wednesday 28 December 2011 07:23:47 HeungJun, Kim wrote:
> It adds the new CID for setting White Balance Preset. This CID is provided

I suppose you mean wide dynamic range here.

> as button type. This can commands only if the camera turn on/off this
> function.

Shouldn't it be a boolean ? A button can only be activated, for one-shot auto-
focus for instance.

> Signed-off-by: HeungJun, Kim <riverful.kim@xxxxxxxxxxx>
> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> ---
>  Documentation/DocBook/media/v4l/controls.xml |   12 ++++++++++++
>  drivers/media/video/v4l2-ctrls.c             |    2 ++
>  include/linux/videodev2.h                    |    2 ++
>  3 files changed, 16 insertions(+), 0 deletions(-)
> 
> diff --git a/Documentation/DocBook/media/v4l/controls.xml
> b/Documentation/DocBook/media/v4l/controls.xml index afe1845..bed6c66
> 100644
> --- a/Documentation/DocBook/media/v4l/controls.xml
> +++ b/Documentation/DocBook/media/v4l/controls.xml
> @@ -2958,6 +2958,18 @@ it one step further. This is a write-only
> control.</entry> <row><entry></entry></row>
> 
>  	  <row>
> +	    <entry spanname="id"><constant>V4L2_CID_WDR</constant></entry>
> +	    <entry>button</entry>
> +	  </row>
> +	  <row>
> +	    <entry spanname="descr">Wide Dynamic Range. It makes
> +	    the image be more clear by adjusting the image's intensity
> +	    of the illumination. This function can be provided according to
> +	    the capability of the hardware(sensor or AP's multimedia block).
> +	    </entry>
> +	  </row>
> +
> +	  <row>
>  	    <entry
> spanname="id"><constant>V4L2_CID_PRIVACY</constant>&nbsp;</entry>
> <entry>boolean</entry>
>  	  </row><row><entry spanname="descr">Prevent video from being acquired
> diff --git a/drivers/media/video/v4l2-ctrls.c
> b/drivers/media/video/v4l2-ctrls.c index fef58c2..66110bc 100644
> --- a/drivers/media/video/v4l2-ctrls.c
> +++ b/drivers/media/video/v4l2-ctrls.c
> @@ -598,6 +598,7 @@ const char *v4l2_ctrl_get_name(u32 id)
>  	case V4L2_CID_IRIS_RELATIVE:		return "Iris, Relative";
>  	case V4L2_CID_PRESET_WHITE_BALANCE:	return "White Balance, Preset";
>  	case V4L2_CID_SCENEMODE:		return "Scenemode";
> +	case V4L2_CID_WDR:			return "Wide Dynamic Range";
> 
>  	/* FM Radio Modulator control */
>  	/* Keep the order of the 'case's the same as in videodev2.h! */
> @@ -687,6 +688,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum
> v4l2_ctrl_type *type, break;
>  	case V4L2_CID_PAN_RESET:
>  	case V4L2_CID_TILT_RESET:
> +	case V4L2_CID_WDR:
>  	case V4L2_CID_FLASH_STROBE:
>  	case V4L2_CID_FLASH_STROBE_STOP:
>  		*type = V4L2_CTRL_TYPE_BUTTON;
> diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
> index bc14feb..f85ad6c 100644
> --- a/include/linux/videodev2.h
> +++ b/include/linux/videodev2.h
> @@ -1646,6 +1646,8 @@ enum v4l2_scenemode {
>  	V4L2_SCENEMODE_CANDLE = 14,
>  };
> 
> +#define V4L2_CID_WDR				(V4L2_CID_CAMERA_CLASS_BASE+21)
> +
>  /* FM Modulator class control IDs */
>  #define V4L2_CID_FM_TX_CLASS_BASE		(V4L2_CTRL_CLASS_FM_TX | 0x900)
>  #define V4L2_CID_FM_TX_CLASS			(V4L2_CTRL_CLASS_FM_TX | 1)

-- 
Regards,

Laurent Pinchart
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux