From 5ebef0fbe0f72fa911088800c5d0bc7a872c35de Mon Sep 17 00:00:00 2001 From: "Lad, Prabhakar" Date: Mon, 1 Oct 2012 08:17:36 -0300 Subject: [PATCH] [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: Lad, Prabhakar Signed-off-by: Manjunath Hadli Acked-by: Sakari Ailus Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- Documentation/DocBook/media/v4l/controls.xml | 10 ++++++++++ drivers/media/v4l2-core/v4l2-ctrls.c | 2 ++ include/linux/v4l2-controls.h | 1 + 3 files changed, 13 insertions(+) diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index 272a5f718509..a84a08ca51dc 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml @@ -4267,6 +4267,16 @@ interface and may change in the future. pixels / second. + + V4L2_CID_TEST_PATTERN + menu + + + 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. + diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 631cdc0e0bda..0bcef2b52cb1 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -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: diff --git a/include/linux/v4l2-controls.h b/include/linux/v4l2-controls.h index 421d24c7f686..e1b36809c21b 100644 --- a/include/linux/v4l2-controls.h +++ b/include/linux/v4l2-controls.h @@ -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 -- 2.20.1