V4L/DVB (5355): Add VIDIOC_G_CHIP_IDENT to various i2c modules

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/wm8775.c b/drivers/media/video/wm8775.c
index d81a88b..4df5d30 100644
--- a/drivers/media/video/wm8775.c
+++ b/drivers/media/video/wm8775.c
@@ -33,6 +33,7 @@
 #include <linux/i2c-id.h>
 #include <linux/videodev.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
 
 MODULE_DESCRIPTION("wm8775 driver");
 MODULE_AUTHOR("Ulf Eklund, Hans Verkuil");
@@ -124,6 +125,9 @@
 			wm8775_write(client, R21, 0x100 + state->input);
 		break;
 
+	case VIDIOC_G_CHIP_IDENT:
+		return v4l2_chip_ident_i2c_client(client, arg, V4L2_IDENT_WM8775, 0);
+
 	case VIDIOC_LOG_STATUS:
 		v4l_info(client, "Input: %d%s\n", state->input,
 			    state->muted ? " (muted)" : "");