[PATCH 20/22] media: imx: Add is_ipu_internal_subdev()

[Steve Longerbeam]

Add a convenience inline function that returns true if the given
subdevice is one of the i.MX5/6 IPU-internal subdevices.

Signed-off-by: Steve Longerbeam <slongerbeam@xxxxxxxxx>
---
 drivers/staging/media/imx/imx-media.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/staging/media/imx/imx-media.h b/drivers/staging/media/imx/imx-media.h
index d75b3c80101a..c42a2cafb8fb 100644
--- a/drivers/staging/media/imx/imx-media.h
+++ b/drivers/staging/media/imx/imx-media.h
@@ -282,4 +282,12 @@ void imx_media_capture_device_error(struct imx_media_video_dev *vdev);
 #define IMX_MEDIA_GRP_ID_IPU_IC_PRPENC BIT(14)
 #define IMX_MEDIA_GRP_ID_IPU_IC_PRPVF  BIT(15)
 
+static inline bool is_ipu_internal_subdev(struct v4l2_subdev *sd)
+{
+	return sd->grp_id == IMX_MEDIA_GRP_ID_IPU_VDIC ||
+		sd->grp_id == IMX_MEDIA_GRP_ID_IPU_IC_PRP ||
+		sd->grp_id == IMX_MEDIA_GRP_ID_IPU_IC_PRPENC ||
+		sd->grp_id == IMX_MEDIA_GRP_ID_IPU_IC_PRPVF;
+}
+
 #endif
-- 
2.17.1