On Mon September 3 2012 11:16:17 Prabhakar Lad wrote:
> From: Lad, Prabhakar <prabhakar.lad@xxxxxx>
>
> add V4L2_CID_TEST_PATTERN of type menu, which determines
> the internal test pattern selected by the device.
>
> Signed-off-by: Lad, Prabhakar <prabhakar.lad@xxxxxx>
> Signed-off-by: Manjunath Hadli <manjunath.hadli@xxxxxx>
> Cc: Sakari Ailus <sakari.ailus@xxxxxx>
> Cc: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx>
> Cc: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
> Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
> Cc: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> Cc: Rob Landley <rob@xxxxxxxxxxx>
> Cc: HeungJun Kim <riverful.kim@xxxxxxxxxxx>
> Cc: Rob Landley <rob@xxxxxxxxxxx>
> ---
> This patches has one checkpatch warning for line over
> 80 characters altough it can be avoided I have kept it
> for consistency.
>
> Documentation/DocBook/media/v4l/controls.xml | 52 ++++++++++++++++++++++++++
> drivers/media/v4l2-core/v4l2-ctrls.c | 16 ++++++++
> include/linux/videodev2.h | 12 ++++++
> 3 files changed, 80 insertions(+), 0 deletions(-)
>
> diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml
> index f704218..06f16e7 100644
> --- a/Documentation/DocBook/media/v4l/controls.xml
> +++ b/Documentation/DocBook/media/v4l/controls.xml
> @@ -4313,6 +4313,58 @@ interface and may change in the future.</para>
> </tbody>
> </entrytbl>
> </row>
> + <row>
> + <entry spanname="id"><constant>V4L2_CID_TEST_PATTERN</constant></entry>
> + <entry>menu</entry>
> + </row>
> + <row id="v4l2-test-pattern">
> + <entry spanname="descr"> The capture devices/sensors have the capability to
Test patterns are also applicable to output devices, not just capture and sensor devices.
> + generate internal test patterns. This test patterns are used to test a device
> + is properly working and can generate the desired waveforms that it supports.
> + </entry>
> + </row>
> + <row>
> + <entrytbl spanname="descr" cols="2">
> + <tbody valign="top">
> + <row>
> + <entry><constant>V4L2_TEST_PATTERN_DISABLED</constant></entry>
> + <entry>Test pattern generation is disabled</entry>
> + </row>
> + <row>
> + <entry><constant>V4L2_TEST_PATTERN_VERTICAL_LINES</constant></entry>
> + <entry>Generate vertical lines as test pattern</entry>
> + </row>
> + <row>
> + <entry><constant>V4L2_TEST_PATTERN_HORIZONTAL_LINES</constant></entry>
> + <entry>Generate horizontal lines as test pattern</entry>
> + </row>
> + <row>
> + <entry><constant>V4L2_TEST_PATTERN_DIAGONAL_LINES</constant></entry>
> + <entry>Generate diagonal lines as test pattern</entry>
> + </row>
> + <row>
> + <entry><constant>V4L2_TEST_PATTERN_SOLID_BLACK</constant></entry>
> + <entry>Generate solid black color as test pattern</entry>
> + </row>
> + <row>
> + <entry><constant>V4L2_TEST_PATTERN_SOLID_WHITE</constant></entry>
> + <entry>Generate solid white color as test pattern</entry>
> + </row>
> + <row>
> + <entry><constant>V4L2_TEST_PATTERN_SOLID_BLUE</constant></entry>
> + <entry>Generate solid blue color as test pattern</entry>
> + </row>
> + <row>
> + <entry><constant>V4L2_TEST_PATTERN_SOLID_RED</constant></entry>
> + <entry>Generate solid red color as test pattern</entry>
> + </row>
Just wondering: is there no SOLID_GREEN available with this sensor?
Regards,
Hans
> + <row>
> + <entry><constant>V4L2_TEST_PATTERN_CHECKER_BOARD</constant></entry>
> + <entry>Generate a checker board as test pattern</entry>
> + </row>
> + </tbody>
> + </entrytbl>
> + </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 2d7bc15..ae709d1 100644
> --- a/drivers/media/v4l2-core/v4l2-ctrls.c
> +++ b/drivers/media/v4l2-core/v4l2-ctrls.c
> @@ -430,6 +430,18 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
> "Advanced Predictor",
> NULL,
> };
> + static const char * const test_pattern[] = {
> + "Test Pattern Disabled",
> + "Vertical Lines",
> + "Horizontal Lines",
> + "Diagonal Lines",
> + "Solid Black",
> + "Solid White",
> + "Solid Blue",
> + "Solid Red",
> + "Checker Board",
> + NULL,
> + };
>
> switch (id) {
> case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
> @@ -509,6 +521,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
> return jpeg_chroma_subsampling;
> case V4L2_CID_DPCM_PREDICTOR:
> return dpcm_predictor;
> + case V4L2_CID_TEST_PATTERN:
> + return test_pattern;
>
> default:
> return NULL;
> @@ -740,6 +754,7 @@ const char *v4l2_ctrl_get_name(u32 id)
> case V4L2_CID_LINK_FREQ: return "Link Frequency";
> case V4L2_CID_PIXEL_RATE: return "Pixel Rate";
> case V4L2_CID_DPCM_PREDICTOR: return "DPCM Predictor";
> + case V4L2_CID_TEST_PATTERN: return "Test Pattern";
>
> default:
> return NULL;
> @@ -841,6 +856,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
> case V4L2_CID_EXPOSURE_METERING:
> case V4L2_CID_SCENE_MODE:
> case V4L2_CID_DPCM_PREDICTOR:
> + case V4L2_CID_TEST_PATTERN:
> *type = V4L2_CTRL_TYPE_MENU;
> break;
> case V4L2_CID_LINK_FREQ:
> diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
> index ca9fb78..1796079 100644
> --- a/include/linux/videodev2.h
> +++ b/include/linux/videodev2.h
> @@ -2005,6 +2005,18 @@ enum v4l2_dpcm_predictor {
> V4L2_DPCM_PREDICTOR_SIMPLE = 0,
> V4L2_DPCM_PREDICTOR_ADVANCED = 1,
> };
> +#define V4L2_CID_TEST_PATTERN (V4L2_CID_IMAGE_PROC_CLASS_BASE + 4)
> +enum v4l2_test_pattern {
> + V4L2_TEST_PATTERN_DISABLED = 0,
> + V4L2_TEST_PATTERN_VERTICAL_LINES = 1,
> + V4L2_TEST_PATTERN_HORIZONTAL_LINES = 2,
> + V4L2_TEST_PATTERN_DIAGONAL_LINES = 3,
> + V4L2_TEST_PATTERN_SOLID_BLACK = 4,
> + V4L2_TEST_PATTERN_SOLID_WHITE = 5,
> + V4L2_TEST_PATTERN_SOLID_BLUE = 6,
> + V4L2_TEST_PATTERN_SOLID_RED = 7,
> + V4L2_TEST_PATTERN_CHECKER_BOARD = 8,
> +};
>
> /*
> * T U N I N G
>
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