[media] v4l: Add over-current and indicator flash fault bits

Flash controllers can report over-current and indicator fault
conditions. Define flash fault control bits for them.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: NSakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Documentation/DocBook/media/v4l/controls.xml

@@ -3329,6 +3329,16 @@ interface and may change in the future.</para>
 		  <entry>The short circuit protection of the flash
 		  controller has been triggered.</entry>
 		</row>
+		<row>
+		  <entry><constant>V4L2_FLASH_FAULT_OVER_CURRENT</constant></entry>
+		  <entry>Current in the LED power supply has exceeded the limit
+		  specific to the flash controller.</entry>
+		</row>
+		<row>
+		  <entry><constant>V4L2_FLASH_FAULT_INDICATOR</constant></entry>
+		  <entry>The flash controller has detected a short or open
+		  circuit condition on the indicator LED.</entry>
+		</row>
 	      </tbody>
 	    </entrytbl>
 	  </row>

include/linux/videodev2.h

@@ -1682,6 +1682,8 @@ enum v4l2_flash_strobe_source {
 #define V4L2_FLASH_FAULT_TIMEOUT		(1 << 1)
 #define V4L2_FLASH_FAULT_OVER_TEMPERATURE	(1 << 2)
 #define V4L2_FLASH_FAULT_SHORT_CIRCUIT		(1 << 3)
+#define V4L2_FLASH_FAULT_OVER_CURRENT		(1 << 4)
+#define V4L2_FLASH_FAULT_INDICATOR		(1 << 5)
 
 #define V4L2_CID_FLASH_CHARGE			(V4L2_CID_FLASH_CLASS_BASE + 11)
 #define V4L2_CID_FLASH_READY			(V4L2_CID_FLASH_CLASS_BASE + 12)