[media] v4l: Add missing 12 bits bayer media bus formats

Add codes and documentation for the following media bus formats:

- V4L2_MBUS_FMT_SGBRG12_1X12
- V4L2_MBUS_FMT_SGRBG12_1X12
- V4L2_MBUS_FMT_SRGGB12_1X12

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

Documentation/DocBook/v4l/subdev-formats.xml

@@ -762,6 +762,57 @@
 	      <entry>b<subscript>1</subscript></entry>
 	      <entry>b<subscript>0</subscript></entry>
 	    </row>
+	    <row id="V4L2-MBUS-FMT-SGBRG12-1X12">
+	      <entry>V4L2_MBUS_FMT_SGBRG12_1X12</entry>
+	      <entry>0x3010</entry>
+	      <entry></entry>
+	      <entry>g<subscript>11</subscript></entry>
+	      <entry>g<subscript>10</subscript></entry>
+	      <entry>g<subscript>9</subscript></entry>
+	      <entry>g<subscript>8</subscript></entry>
+	      <entry>g<subscript>7</subscript></entry>
+	      <entry>g<subscript>6</subscript></entry>
+	      <entry>g<subscript>5</subscript></entry>
+	      <entry>g<subscript>4</subscript></entry>
+	      <entry>g<subscript>3</subscript></entry>
+	      <entry>g<subscript>2</subscript></entry>
+	      <entry>g<subscript>1</subscript></entry>
+	      <entry>g<subscript>0</subscript></entry>
+	    </row>
+	    <row id="V4L2-MBUS-FMT-SGRBG12-1X12">
+	      <entry>V4L2_MBUS_FMT_SGRBG12_1X12</entry>
+	      <entry>0x3011</entry>
+	      <entry></entry>
+	      <entry>g<subscript>11</subscript></entry>
+	      <entry>g<subscript>10</subscript></entry>
+	      <entry>g<subscript>9</subscript></entry>
+	      <entry>g<subscript>8</subscript></entry>
+	      <entry>g<subscript>7</subscript></entry>
+	      <entry>g<subscript>6</subscript></entry>
+	      <entry>g<subscript>5</subscript></entry>
+	      <entry>g<subscript>4</subscript></entry>
+	      <entry>g<subscript>3</subscript></entry>
+	      <entry>g<subscript>2</subscript></entry>
+	      <entry>g<subscript>1</subscript></entry>
+	      <entry>g<subscript>0</subscript></entry>
+	    </row>
+	    <row id="V4L2-MBUS-FMT-SRGGB12-1X12">
+	      <entry>V4L2_MBUS_FMT_SRGGB12_1X12</entry>
+	      <entry>0x3012</entry>
+	      <entry></entry>
+	      <entry>r<subscript>11</subscript></entry>
+	      <entry>r<subscript>10</subscript></entry>
+	      <entry>r<subscript>9</subscript></entry>
+	      <entry>r<subscript>8</subscript></entry>
+	      <entry>r<subscript>7</subscript></entry>
+	      <entry>r<subscript>6</subscript></entry>
+	      <entry>r<subscript>5</subscript></entry>
+	      <entry>r<subscript>4</subscript></entry>
+	      <entry>r<subscript>3</subscript></entry>
+	      <entry>r<subscript>2</subscript></entry>
+	      <entry>r<subscript>1</subscript></entry>
+	      <entry>r<subscript>0</subscript></entry>
+	    </row>
 	  </tbody>
 	</tgroup>
       </table>

include/linux/v4l2-mediabus.h

@@ -67,7 +67,7 @@ enum v4l2_mbus_pixelcode {
 	V4L2_MBUS_FMT_YUYV10_1X20 = 0x200d,
 	V4L2_MBUS_FMT_YVYU10_1X20 = 0x200e,
 
-	/* Bayer - next is 0x3010 */
+	/* Bayer - next is 0x3013 */
 	V4L2_MBUS_FMT_SBGGR8_1X8 = 0x3001,
 	V4L2_MBUS_FMT_SGRBG8_1X8 = 0x3002,
 	V4L2_MBUS_FMT_SBGGR10_DPCM8_1X8 = 0x300b,
@@ -83,6 +83,9 @@ enum v4l2_mbus_pixelcode {
 	V4L2_MBUS_FMT_SGRBG10_1X10 = 0x300a,
 	V4L2_MBUS_FMT_SRGGB10_1X10 = 0x300f,
 	V4L2_MBUS_FMT_SBGGR12_1X12 = 0x3008,
+	V4L2_MBUS_FMT_SGBRG12_1X12 = 0x3010,
+	V4L2_MBUS_FMT_SGRBG12_1X12 = 0x3011,
+	V4L2_MBUS_FMT_SRGGB12_1X12 = 0x3012,
 };
 
 /**