Hi, Looks good to me. Acked-by: Hans de Goede <hdegoede@xxxxxxxxxx> Regards, Hans On 09/06/2010 08:11 PM, Jean-Francois Moine wrote:
Hi, This new proposal cancels the previous 'LED control' patch. Cheers. -- Ken ar c'hentañ | ** Breizh ha Linux atav! ** Jef | http://moinejf.free.fr/ led.patch Some media devices (microscopes) may have one or many illuminators, and most webcams have a status LED which is normally on when capture is active. This patch makes them controlable by the applications. Signed-off-by: Jean-Francois Moine<moinejf@xxxxxxx> diff --git a/Documentation/DocBook/v4l/controls.xml b/Documentation/DocBook/v4l/controls.xml index 8408caa..77f87ad 100644 --- a/Documentation/DocBook/v4l/controls.xml +++ b/Documentation/DocBook/v4l/controls.xml @@ -312,10 +312,27 @@ minimum value disables backlight compensation.</entry> information and bits 24-31 must be zero.</entry> </row> <row> + <entry><constant>V4L2_CID_ILLUMINATORS</constant></entry> + <entry>integer</entry> + <entry>Switch on or off the illuminator(s) of the device + (usually a microscope). + The control type and values depend on the driver and may be either + a single boolean (0: off, 1:on) or defined by a menu type.</entry> + </row> + <row id="v4l2_status_led"> + <entry><constant>V4L2_CID_STATUS_LED</constant></entry> + <entry>integer</entry> + <entry>Set the status LED behaviour. Possible values for +<constant>enum v4l2_status_led</constant> are: +<constant>V4L2_STATUS_LED_AUTO</constant> (0), +<constant>V4L2_STATUS_LED_ON</constant> (1), +<constant>V4L2_STATUS_LED_OFF</constant> (2).</entry> + </row> + <row> <entry><constant>V4L2_CID_LASTP1</constant></entry> <entry></entry> <entry>End of the predefined control IDs (currently -<constant>V4L2_CID_BG_COLOR</constant> + 1).</entry> +<constant>V4L2_CID_STATUS_LED</constant> + 1).</entry> </row> <row> <entry><constant>V4L2_CID_PRIVATE_BASE</constant></entry> diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 61490c6..75e8869 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -1045,8 +1045,16 @@ enum v4l2_colorfx { #define V4L2_CID_CHROMA_GAIN (V4L2_CID_BASE+36) +#define V4L2_CID_ILLUMINATORS (V4L2_CID_BASE+37) +#define V4L2_CID_STATUS_LED (V4L2_CID_BASE+38) +enum v4l2_status_led { + V4L2_STATUS_LED_AUTO = 0, + V4L2_STATUS_LED_ON = 1, + V4L2_STATUS_LED_OFF = 2, +}; + /* last CID + 1 */ -#define V4L2_CID_LASTP1 (V4L2_CID_BASE+37) +#define V4L2_CID_LASTP1 (V4L2_CID_BASE+39) /* MPEG-class control IDs defined by V4L2 */ #define V4L2_CID_MPEG_BASE (V4L2_CTRL_CLASS_MPEG | 0x900)
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