Merge tag 'media/v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - New staging driver for Rockship ISPv1 unit

 - New staging driver for Rockchip MIPI Synopsys DPHY RX0

 - y2038 fixes at V4L2 API (backward-compatible)

 - A dvb core fix when receiving invalid EIT sections

 - Some clang-specific warnings got fixed

 - Added support for touch V4L2 interface at vivid

 - Several drivers were converted to use the new
   i2c_new_scanned_device() kAPI

 - Added sm1 support at meson's vdec driver

 - Several other driver cleanups, fixes and improvements

* tag 'media/v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (207 commits)
  media: staging/intel-ipu3: remove TODO item about acronyms
  media: v4l2-fwnode: Print the node name while parsing endpoints
  media: Revert "media: staging/intel-ipu3: make imgu use fixed running mode"
  media: mt9v111: constify copied structure
  media: platform: VIDEO_MEDIATEK_JPEG can also depend on MTK_IOMMU
  media: uvcvideo: Add a quirk to force GEO GC6500 Camera bits-per-pixel value
  media: uvcvideo: Avoid cyclic entity chains due to malformed USB descriptors
  media: hantro: fix post-processing NULL pointer dereference
  media: rcar-vin: Use correct pixel format when aligning format
  media: MAINTAINERS: add entry for Rockchip ISP1 driver
  media: staging: rkisp1: add TODO file for staging
  media: staging: rkisp1: add document for rkisp1 meta buffer format
  media: staging: rkisp1: add output device for parameters
  media: staging: rkisp1: add capture device for statistics
  media: staging: rkisp1: add user space ABI definitions
  media: staging: rkisp1: add streaming paths
  media: staging: rkisp1: add Rockchip ISP1 base driver
  media: staging: phy-rockchip-dphy-rx0: add Rockchip MIPI Synopsys DPHY RX0 driver
  media: staging: dt-bindings: add Rockchip MIPI RX D-PHY RX0 yaml bindings
  media: staging: dt-bindings: add Rockchip ISP1 yaml bindings
  ...

1 files changed, 25 insertions, 1 deletions

diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index 9e987c0f840e..a376b351135f 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -331,8 +331,8 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 	struct v4l2_fh *vfh = file->private_data;
 #if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
 	struct v4l2_subdev_fh *subdev_fh = to_v4l2_subdev_fh(vfh);
-	int rval;
 #endif
+	int rval;
 
 	switch (cmd) {
 	case VIDIOC_QUERYCTRL:
@@ -392,6 +392,30 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
 		return v4l2_event_dequeue(vfh, arg, file->f_flags & O_NONBLOCK);
 
+	case VIDIOC_DQEVENT_TIME32: {
+		struct v4l2_event_time32 *ev32 = arg;
+		struct v4l2_event ev = { };
+
+		if (!(sd->flags & V4L2_SUBDEV_FL_HAS_EVENTS))
+			return -ENOIOCTLCMD;
+
+		rval = v4l2_event_dequeue(vfh, &ev, file->f_flags & O_NONBLOCK);
+
+		*ev32 = (struct v4l2_event_time32) {
+			.type		= ev.type,
+			.pending	= ev.pending,
+			.sequence	= ev.sequence,
+			.timestamp.tv_sec  = ev.timestamp.tv_sec,
+			.timestamp.tv_nsec = ev.timestamp.tv_nsec,
+			.id		= ev.id,
+		};
+
+		memcpy(&ev32->u, &ev.u, sizeof(ev.u));
+		memcpy(&ev32->reserved, &ev.reserved, sizeof(ev.reserved));
+
+		return rval;
+	}
+
 	case VIDIOC_SUBSCRIBE_EVENT:
 		return v4l2_subdev_call(sd, core, subscribe_event, vfh, arg);