The V4L2_CID_IMAGE_STABILIZATION control allows to control the
camera's image stabilization feature. It can be used to enable/disable
image stabilization. It can be extended with new menu items if the image
stabilization technique selection is needed.
Signed-off-by: HeungJun Kim <riverful.kim@xxxxxxxxxxx>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
Documentation/DocBook/media/v4l/controls.xml | 23 +++++++++++++++++++++++
drivers/media/video/v4l2-ctrls.c | 9 +++++++++
include/linux/videodev2.h | 5 +++++
3 files changed, 37 insertions(+)
diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml
index 487b7b5..ac27444 100644
--- a/Documentation/DocBook/media/v4l/controls.xml
+++ b/Documentation/DocBook/media/v4l/controls.xml
@@ -3046,6 +3046,29 @@ times.</entry>
</row>
<row><entry></entry></row>
+ <row id="v4l2-image-stabilization-type">
+ <entry spanname="id"><constant>V4L2_CID_IMAGE_STABILIZATION</constant></entry>
+ <entry>enum v4l2_image_stabilization_type</entry>
+ </row>
+ <row>
+ <entry spanname="descr">Enables or disables image stabilization.</entry>
+ </row>
+ <row>
+ <entrytbl spanname="descr" cols="2">
+ <tbody valign="top">
+ <row>
+ <entry><constant>V4L2_IMAGE_STABILIZATION_DISABLED</constant></entry>
+ <entry>Image stabilization is disabled.</entry>
+ </row>
+ <row>
+ <entry><constant>V4L2_IMAGE_STABILIZATION_ENABLED</constant></entry>
+ <entry>Image stabilization is enabled.</entry>
+ </row>
+ </tbody>
+ </entrytbl>
+ </row>
+ <row><entry></entry></row>
+
</tbody>
</tgroup>
</table>
diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c
index ad2f035..305a203 100644
--- a/drivers/media/video/v4l2-ctrls.c
+++ b/drivers/media/video/v4l2-ctrls.c
@@ -261,6 +261,11 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
"Enabled",
NULL
};
+ static const char * const camera_image_stabilization[] = {
+ "Disabled",
+ "Enabled",
+ NULL
+ };
static const char * const tune_preemphasis[] = {
"No Preemphasis",
"50 Microseconds",
@@ -434,6 +439,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
return auto_n_preset_white_balance;
case V4L2_CID_WIDE_DYNAMIC_RANGE:
return camera_wide_dynamic_range;
+ case V4L2_CID_IMAGE_STABILIZATION:
+ return camera_image_stabilization;
case V4L2_CID_TUNE_PREEMPHASIS:
return tune_preemphasis;
case V4L2_CID_FLASH_LED_MODE:
@@ -622,6 +629,7 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_AUTO_EXPOSURE_BIAS: return "Auto Exposure, Bias";
case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE: return "White Balance, Auto & Preset";
case V4L2_CID_WIDE_DYNAMIC_RANGE: return "Wide Dynamic Range";
+ case V4L2_CID_IMAGE_STABILIZATION: return "Image Stabilization";
/* FM Radio Modulator control */
/* Keep the order of the 'case's the same as in videodev2.h! */
@@ -760,6 +768,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
case V4L2_CID_JPEG_CHROMA_SUBSAMPLING:
case V4L2_CID_WIDE_DYNAMIC_RANGE:
+ case V4L2_CID_IMAGE_STABILIZATION:
*type = V4L2_CTRL_TYPE_MENU;
break;
case V4L2_CID_RDS_TX_PS_NAME:
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 3ca9b10..62d1d66 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -1714,6 +1714,11 @@ enum v4l2_wide_dynamic_range_type {
V4L2_WIDE_DYNAMIC_RANGE_DISABLED = 0,
V4L2_WIDE_DYNAMIC_RANGE_ENABLED = 1,
};
+#define V4L2_CID_IMAGE_STABILIZATION (V4L2_CID_CAMERA_CLASS_BASE+22)
+enum v4l2_image_stabilization_type {
+ V4L2_IMAGE_STABILIZATION_DISABLED = 0,
+ V4L2_IMAGE_STABILIZATION_ENABLED = 1,
+};
/* FM Modulator class control IDs */
#define V4L2_CID_FM_TX_CLASS_BASE (V4L2_CTRL_CLASS_FM_TX | 0x900)
--
1.7.10
--
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