In many cases the test pattern has selectable values for each colour
component. Implement controls for raw bayer components. Additional controls
should be defined for colour components that are not covered by these
controls.
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
Documentation/DocBook/media/v4l/controls.xml | 34 ++++++++++++++++++++++++++++
drivers/media/v4l2-core/v4l2-ctrls.c | 4 ++++
include/uapi/linux/v4l2-controls.h | 4 ++++
3 files changed, 42 insertions(+)
diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml
index 47198ee..bf23994 100644
--- a/Documentation/DocBook/media/v4l/controls.xml
+++ b/Documentation/DocBook/media/v4l/controls.xml
@@ -4677,6 +4677,40 @@ interface and may change in the future.</para>
conversion.
</entry>
</row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_TEST_PATTERN_RED</constant></entry>
+ <entry>integer</entry>
+ </row>
+ <row>
+ <entry spanname="descr">Test pattern red colour component.
+ </entry>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_TEST_PATTERN_GREENR</constant></entry>
+ <entry>integer</entry>
+ </row>
+ <row>
+ <entry spanname="descr">Test pattern green (next to red)
+ colour component.
+ </entry>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_TEST_PATTERN_BLUE</constant></entry>
+ <entry>integer</entry>
+ </row>
+ <row>
+ <entry spanname="descr">Test pattern blue colour component.
+ </entry>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_TEST_PATTERN_GREENB</constant></entry>
+ <entry>integer</entry>
+ </row>
+ <row>
+ <entry spanname="descr">Test pattern green (next to blue)
+ colour component.
+ </entry>
+ </row>
<row><entry></entry></row>
</tbody>
</tgroup>
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 55c6832..a4104a7 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -839,6 +839,10 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_VBLANK: return "Vertical Blanking";
case V4L2_CID_HBLANK: return "Horizontal Blanking";
case V4L2_CID_ANALOGUE_GAIN: return "Analogue Gain";
+ case V4L2_CID_TEST_PATTERN_RED: return "Red Pixel Value";
+ case V4L2_CID_TEST_PATTERN_GREENR: return "Green (Red) Pixel Value";
+ case V4L2_CID_TEST_PATTERN_BLUE: return "Blue Pixel Value";
+ case V4L2_CID_TEST_PATTERN_GREENB: return "Green (Blue) Pixel Value";
/* Image processing controls */
case V4L2_CID_IMAGE_PROC_CLASS: return "Image Processing Controls";
diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index 2ac5597..5c55a19 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -855,6 +855,10 @@ enum v4l2_jpeg_chroma_subsampling {
#define V4L2_CID_VBLANK (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 1)
#define V4L2_CID_HBLANK (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 2)
#define V4L2_CID_ANALOGUE_GAIN (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 3)
+#define V4L2_CID_TEST_PATTERN_RED (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 4)
+#define V4L2_CID_TEST_PATTERN_GREENR (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 5)
+#define V4L2_CID_TEST_PATTERN_BLUE (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 6)
+#define V4L2_CID_TEST_PATTERN_GREENB (V4L2_CID_IMAGE_SOURCE_CLASS_BASE + 7)
/* Image processing controls */
--
1.8.3.2
--
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