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Commit 5ebef0fb authored by Lad, Prabhakar's avatar Lad, Prabhakar Committed by Mauro Carvalho Chehab
Browse files

[media] media: v4l2-ctrls: add control for test pattern 



add V4L2_CID_TEST_PATTERN of type menu, which determines
the internal test pattern selected by the device.

Signed-off-by: default avatarLad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: default avatarManjunath Hadli <manjunath.hadli@ti.com>
Acked-by: default avatarSakari Ailus <sakari.ailus@iki.fi>
Acked-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent ab7ef224

Documentation/DocBook/media/v4l/controls.xml

+10 −0
Original line number Diff line number Diff line
@@ -4267,6 +4267,16 @@ interface and may change in the future.</para> 
	    pixels / second.

	    </entry>

	  </row>

	  <row>

	    <entry spanname="id"><constant>V4L2_CID_TEST_PATTERN</constant></entry>

	    <entry>menu</entry>

	  </row>

	  <row id="v4l2-test-pattern">

	    <entry spanname="descr"> Some capture/display/sensor devices have

	    the capability to generate test pattern images. These hardware

	    specific test patterns can be used to test if a device is working

	    properly.</entry>

	  </row>

	  <row><entry></entry></row>

	</tbody>

      </tgroup>

drivers/media/v4l2-core/v4l2-ctrls.c

+2 −0
Original line number Diff line number Diff line
@@ -749,6 +749,7 @@ const char *v4l2_ctrl_get_name(u32 id) 
	case V4L2_CID_IMAGE_PROC_CLASS:		return "Image Processing Controls";

	case V4L2_CID_LINK_FREQ:		return "Link Frequency";

	case V4L2_CID_PIXEL_RATE:		return "Pixel Rate";

	case V4L2_CID_TEST_PATTERN:		return "Test Pattern";



	/* DV controls */

	case V4L2_CID_DV_CLASS:			return "Digital Video Controls";
@@ -862,6 +863,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, 
	case V4L2_CID_DV_TX_MODE:

	case V4L2_CID_DV_TX_RGB_RANGE:

	case V4L2_CID_DV_RX_RGB_RANGE:

	case V4L2_CID_TEST_PATTERN:

		*type = V4L2_CTRL_TYPE_MENU;

		break;

	case V4L2_CID_LINK_FREQ:

include/linux/v4l2-controls.h

+1 −0
Original line number Diff line number Diff line
@@ -757,5 +757,6 @@ enum v4l2_jpeg_chroma_subsampling { 


#define V4L2_CID_LINK_FREQ			(V4L2_CID_IMAGE_PROC_CLASS_BASE + 1)

#define V4L2_CID_PIXEL_RATE			(V4L2_CID_IMAGE_PROC_CLASS_BASE + 2)

#define V4L2_CID_TEST_PATTERN			(V4L2_CID_IMAGE_PROC_CLASS_BASE + 3)



#endif