5 files changed, 158 insertions, 4 deletions

diff --git a/Documentation/DocBook/media/v4l/compat.xml b/Documentation/DocBook/media/v4l/compat.xml
index 149f65dfaa72..dc61b013b8a8 100644
--- a/Documentation/DocBook/media/v4l/compat.xml
+++ b/Documentation/DocBook/media/v4l/compat.xml
@@ -2435,6 +2435,21 @@ details.</para>
         <listitem>
           <para> Added <constant>V4L2_CID_COLORFX_CBCR</constant> control.</para>
         </listitem>
+        <listitem>
+          <para> Added camera controls <constant>V4L2_CID_AUTO_EXPOSURE_BIAS</constant>,
+          <constant>V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE</constant>,
+          <constant>V4L2_CID_IMAGE_STABILIZATION</constant>,
+          <constant>V4L2_CID_ISO_SENSITIVITY</constant>,
+          <constant>V4L2_CID_ISO_SENSITIVITY_AUTO</constant>,
+          <constant>V4L2_CID_EXPOSURE_METERING</constant>,
+          <constant>V4L2_CID_SCENE_MODE</constant>,
+          <constant>V4L2_CID_3A_LOCK</constant>,
+          <constant>V4L2_CID_AUTO_FOCUS_START</constant>,
+          <constant>V4L2_CID_AUTO_FOCUS_STOP</constant>,
+          <constant>V4L2_CID_AUTO_FOCUS_STATUS</constant> and
+          <constant>V4L2_CID_AUTO_FOCUS_RANGE</constant>.
+          </para>
+        </listitem>
       </orderedlist>
     </section>
 
@@ -2555,6 +2570,10 @@ ioctls.</para>
           <para>Sub-device selection API: &VIDIOC-SUBDEV-G-SELECTION;
           and &VIDIOC-SUBDEV-S-SELECTION; ioctls.</para>
         </listitem>
+        <listitem>
+          <para><link linkend="v4l2-auto-focus-area"><constant>
+          V4L2_CID_AUTO_FOCUS_AREA</constant></link> control.</para>
+        </listitem>
       </itemizedlist>
     </section>
 
diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml
index f38f06169795..132b0cc29832 100644
--- a/Documentation/DocBook/media/v4l/controls.xml
+++ b/Documentation/DocBook/media/v4l/controls.xml
@@ -2976,13 +2976,107 @@ negative values towards infinity. This is a write-only control.</entry>
           <row>
             <entry spanname="id"><constant>V4L2_CID_FOCUS_AUTO</constant>&nbsp;</entry>
             <entry>boolean</entry>
-          </row><row><entry spanname="descr">Enables automatic focus
-adjustments. The effect of manual focus adjustments while this feature
+          </row><row><entry spanname="descr">Enables continuous automatic
+focus adjustments. The effect of manual focus adjustments while this feature
 is enabled is undefined, drivers should ignore such requests.</entry>
           </row>
           <row><entry></entry></row>
 
           <row>
+            <entry spanname="id"><constant>V4L2_CID_AUTO_FOCUS_START</constant>&nbsp;</entry>
+            <entry>button</entry>
+          </row><row><entry spanname="descr">Starts single auto focus process.
+The effect of setting this control when <constant>V4L2_CID_FOCUS_AUTO</constant>
+is set to <constant>TRUE</constant> (1) is undefined, drivers should ignore
+such requests.</entry>
+          </row>
+          <row><entry></entry></row>
+
+          <row>
+            <entry spanname="id"><constant>V4L2_CID_AUTO_FOCUS_STOP</constant>&nbsp;</entry>
+            <entry>button</entry>
+          </row><row><entry spanname="descr">Aborts automatic focusing
+started with <constant>V4L2_CID_AUTO_FOCUS_START</constant> control. It is
+effective only when the continuous autofocus is disabled, that is when
+<constant>V4L2_CID_FOCUS_AUTO</constant> control is set to <constant>FALSE
+</constant> (0).</entry>
+          </row>
+          <row><entry></entry></row>
+
+          <row id="v4l2-auto-focus-status">
+            <entry spanname="id">
+              <constant>V4L2_CID_AUTO_FOCUS_STATUS</constant>&nbsp;</entry>
+            <entry>bitmask</entry>
+          </row>
+          <row><entry spanname="descr">The automatic focus status. This is a read-only
+          control.</entry>
+          </row>
+          <row>
+            <entrytbl spanname="descr" cols="2">
+              <tbody valign="top">
+                <row>
+                  <entry><constant>V4L2_AUTO_FOCUS_STATUS_IDLE</constant>&nbsp;</entry>
+                  <entry>Automatic focus is not active.</entry>
+                </row>
+                <row>
+                  <entry><constant>V4L2_AUTO_FOCUS_STATUS_BUSY</constant>&nbsp;</entry>
+                  <entry>Automatic focusing is in progress.</entry>
+                </row>
+                <row>
+                  <entry><constant>V4L2_AUTO_FOCUS_STATUS_REACHED</constant>&nbsp;</entry>
+                  <entry>Focus has been reached.</entry>
+                </row>
+                <row>
+                  <entry><constant>V4L2_AUTO_FOCUS_STATUS_FAILED</constant>&nbsp;</entry>
+                  <entry>Automatic focus has failed, the driver will not
+                  transition from this state until another action is
+                  performed by an application.</entry>
+                </row>
+              </tbody>
+            </entrytbl>
+          </row>
+          <row><entry spanname="descr">
+Setting <constant>V4L2_LOCK_FOCUS</constant> lock bit of the <constant>V4L2_CID_3A_LOCK
+</constant> control may stop updates of the <constant>V4L2_CID_AUTO_FOCUS_STATUS</constant>
+control value.</entry>
+          </row>
+          <row><entry></entry></row>
+
+          <row id="v4l2-auto-focus-range">
+            <entry spanname="id">
+              <constant>V4L2_CID_AUTO_FOCUS_RANGE</constant>&nbsp;</entry>
+            <entry>enum&nbsp;v4l2_auto_focus_range</entry>
+          </row>
+          <row><entry spanname="descr">Determines auto focus distance range
+for which lens may be adjusted. </entry>
+          </row>
+          <row>
+            <entrytbl spanname="descr" cols="2">
+              <tbody valign="top">
+                <row>
+                  <entry><constant>V4L2_AUTO_FOCUS_RANGE_AUTO</constant>&nbsp;</entry>
+                  <entry>The camera automatically selects the focus range.</entry>
+                </row>
+                <row>
+                  <entry><constant>V4L2_AUTO_FOCUS_RANGE_NORMAL</constant>&nbsp;</entry>
+                  <entry>Normal distance range, limited for best automatic focus
+performance.</entry>
+                </row>
+                <row>
+                  <entry><constant>V4L2_AUTO_FOCUS_RANGE_MACRO</constant>&nbsp;</entry>
+                  <entry>Macro (close-up) auto focus. The camera will
+use its minimum possible distance for auto focus.</entry>
+                </row>
+                <row>
+                  <entry><constant>V4L2_AUTO_FOCUS_RANGE_INFINITY</constant>&nbsp;</entry>
+                  <entry>The lens is set to focus on an object at infinite distance.</entry>
+                </row>
+              </tbody>
+            </entrytbl>
+          </row>
+          <row><entry></entry></row>
+
+          <row>
             <entry spanname="id"><constant>V4L2_CID_ZOOM_ABSOLUTE</constant>&nbsp;</entry>
             <entry>integer</entry>
           </row><row><entry spanname="descr">Specify the objective lens
diff --git a/Documentation/DocBook/media/v4l/v4l2.xml b/Documentation/DocBook/media/v4l/v4l2.xml
index 63242e2adc02..e6fbbc6c17e1 100644
--- a/Documentation/DocBook/media/v4l/v4l2.xml
+++ b/Documentation/DocBook/media/v4l/v4l2.xml
@@ -140,11 +140,18 @@ applications. -->
 
       <revision>
         <revnumber>3.5</revnumber>
-        <date>2012-04-02</date>
+        <date>2012-05-07</date>
         <authorinitials>sa, sn</authorinitials>
         <revremark>Added V4L2_CTRL_TYPE_INTEGER_MENU and V4L2 subdev
             selections API. Improved the description of V4L2_CID_COLORFX
             control, added V4L2_CID_COLORFX_CBCR control.
+            Added camera controls V4L2_CID_AUTO_EXPOSURE_BIAS,
+            V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE, V4L2_CID_IMAGE_STABILIZATION,
+            V4L2_CID_ISO_SENSITIVITY, V4L2_CID_ISO_SENSITIVITY_AUTO,
+            V4L2_CID_EXPOSURE_METERING, V4L2_CID_SCENE_MODE,
+            V4L2_CID_3A_LOCK, V4L2_CID_AUTO_FOCUS_START,
+            V4L2_CID_AUTO_FOCUS_STOP, V4L2_CID_AUTO_FOCUS_STATUS
+            and V4L2_CID_AUTO_FOCUS_RANGE.
         </revremark>
       </revision>
 
diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c
index a47b29270ba3..a5fbace4c059 100644
--- a/drivers/media/video/v4l2-ctrls.c
+++ b/drivers/media/video/v4l2-ctrls.c
@@ -236,6 +236,13 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
                 "Spot",
                 NULL
         };
+        static const char * const camera_auto_focus_range[] = {
+                "Auto",
+                "Normal",
+                "Macro",
+                "Infinity",
+                NULL
+        };
         static const char * const colorfx[] = {
                 "None",
                 "Black & White",
@@ -459,6 +466,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
                 return camera_exposure_auto;
         case V4L2_CID_EXPOSURE_METERING:
                 return camera_exposure_metering;
+        case V4L2_CID_AUTO_FOCUS_RANGE:
+                return camera_auto_focus_range;
         case V4L2_CID_COLORFX:
                 return colorfx;
         case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
@@ -646,7 +655,7 @@ const char *v4l2_ctrl_get_name(u32 id)
         case V4L2_CID_TILT_ABSOLUTE:            return "Tilt, Absolute";
         case V4L2_CID_FOCUS_ABSOLUTE:           return "Focus, Absolute";
         case V4L2_CID_FOCUS_RELATIVE:           return "Focus, Relative";
-        case V4L2_CID_FOCUS_AUTO:               return "Focus, Automatic";
+        case V4L2_CID_FOCUS_AUTO:               return "Focus, Automatic Continuous";
         case V4L2_CID_ZOOM_ABSOLUTE:            return "Zoom, Absolute";
         case V4L2_CID_ZOOM_RELATIVE:            return "Zoom, Relative";
         case V4L2_CID_ZOOM_CONTINUOUS:          return "Zoom, Continuous";
@@ -662,6 +671,10 @@ const char *v4l2_ctrl_get_name(u32 id)
         case V4L2_CID_EXPOSURE_METERING:        return "Exposure, Metering Mode";
         case V4L2_CID_SCENE_MODE:               return "Scene Mode";
         case V4L2_CID_3A_LOCK:                  return "3A Lock";
+        case V4L2_CID_AUTO_FOCUS_START:         return "Auto Focus, Start";
+        case V4L2_CID_AUTO_FOCUS_STOP:          return "Auto Focus, Stop";
+        case V4L2_CID_AUTO_FOCUS_STATUS:        return "Auto Focus, Status";
+        case V4L2_CID_AUTO_FOCUS_RANGE:         return "Auto Focus, Range";
 
         /* FM Radio Modulator control */
         /* Keep the order of the 'case's the same as in videodev2.h! */
@@ -774,6 +787,8 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
         case V4L2_CID_TILT_RESET:
         case V4L2_CID_FLASH_STROBE:
         case V4L2_CID_FLASH_STROBE_STOP:
+        case V4L2_CID_AUTO_FOCUS_START:
+        case V4L2_CID_AUTO_FOCUS_STOP:
                 *type = V4L2_CTRL_TYPE_BUTTON;
                 *flags |= V4L2_CTRL_FLAG_WRITE_ONLY;
                 *min = *max = *step = *def = 0;
@@ -797,6 +812,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
         case V4L2_CID_MPEG_STREAM_TYPE:
         case V4L2_CID_MPEG_STREAM_VBI_FMT:
         case V4L2_CID_EXPOSURE_AUTO:
+        case V4L2_CID_AUTO_FOCUS_RANGE:
         case V4L2_CID_COLORFX:
         case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
         case V4L2_CID_TUNE_PREEMPHASIS:
@@ -851,6 +867,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
         case V4L2_CID_FLASH_FAULT:
         case V4L2_CID_JPEG_ACTIVE_MARKER:
         case V4L2_CID_3A_LOCK:
+        case V4L2_CID_AUTO_FOCUS_STATUS:
                 *type = V4L2_CTRL_TYPE_BITMASK;
                 break;
         case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
@@ -913,6 +930,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
                 *flags |= V4L2_CTRL_FLAG_WRITE_ONLY;
                 break;
         case V4L2_CID_FLASH_STROBE_STATUS:
+        case V4L2_CID_AUTO_FOCUS_STATUS:
         case V4L2_CID_FLASH_READY:
                 *flags |= V4L2_CTRL_FLAG_READ_ONLY;
                 break;
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index a9b03ae44037..dc3e3ea28f99 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -1763,6 +1763,22 @@ enum v4l2_scene_mode {
 #define V4L2_LOCK_WHITE_BALANCE                 (1 << 1)
 #define V4L2_LOCK_FOCUS                         (1 << 2)
 
+#define V4L2_CID_AUTO_FOCUS_START               (V4L2_CID_CAMERA_CLASS_BASE+28)
+#define V4L2_CID_AUTO_FOCUS_STOP                (V4L2_CID_CAMERA_CLASS_BASE+29)
+#define V4L2_CID_AUTO_FOCUS_STATUS              (V4L2_CID_CAMERA_CLASS_BASE+30)
+#define V4L2_AUTO_FOCUS_STATUS_IDLE             (0 << 0)
+#define V4L2_AUTO_FOCUS_STATUS_BUSY             (1 << 0)
+#define V4L2_AUTO_FOCUS_STATUS_REACHED          (1 << 1)
+#define V4L2_AUTO_FOCUS_STATUS_FAILED           (1 << 2)
+
+#define V4L2_CID_AUTO_FOCUS_RANGE               (V4L2_CID_CAMERA_CLASS_BASE+31)
+enum v4l2_auto_focus_range {
+        V4L2_AUTO_FOCUS_RANGE_AUTO              = 0,
+        V4L2_AUTO_FOCUS_RANGE_NORMAL            = 1,
+        V4L2_AUTO_FOCUS_RANGE_MACRO             = 2,
+        V4L2_AUTO_FOCUS_RANGE_INFINITY          = 3,
+};
+
 /* FM Modulator class control IDs */
 #define V4L2_CID_FM_TX_CLASS_BASE               (V4L2_CTRL_CLASS_FM_TX | 0x900)
 #define V4L2_CID_FM_TX_CLASS                    (V4L2_CTRL_CLASS_FM_TX | 1)