[media] wl128x: add missing struct v4l2_device

This struct is now required for all video device nodes, but it was missing
in this driver.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 10 insertions, 0 deletions

diff --git a/drivers/media/radio/wl128x/fmdrv.h b/drivers/media/radio/wl128x/fmdrv.h
index aac0f025f767..a587c9bac930 100644
--- a/drivers/media/radio/wl128x/fmdrv.h
+++ b/drivers/media/radio/wl128x/fmdrv.h
@@ -30,6 +30,7 @@
 #include <linux/timer.h>
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-device.h>
 #include <media/v4l2-ctrls.h>
 
 #define FM_DRV_VERSION            "0.1.1"
@@ -202,6 +203,7 @@ struct fmtx_data {
 /* FM driver operation structure */
 struct fmdev {
         struct video_device *radio_dev; /* V4L2 video device pointer */
+        struct v4l2_device v4l2_dev;    /* V4L2 top level struct */
         struct snd_card *card;  /* Card which holds FM mixer controls */
         u16 asci_id;
         spinlock_t rds_buff_lock; /* To protect access to RDS buffer */
diff --git a/drivers/media/radio/wl128x/fmdrv_v4l2.c b/drivers/media/radio/wl128x/fmdrv_v4l2.c
index 5dec323f4247..b55012c11842 100644
--- a/drivers/media/radio/wl128x/fmdrv_v4l2.c
+++ b/drivers/media/radio/wl128x/fmdrv_v4l2.c
@@ -533,6 +533,11 @@ int fm_v4l2_init_video_device(struct fmdev *fmdev, int radio_nr)
         struct v4l2_ctrl *ctrl;
         int ret;
 
+        strlcpy(fmdev->v4l2_dev.name, FM_DRV_NAME, sizeof(fmdev->v4l2_dev.name));
+        ret = v4l2_device_register(NULL, &fmdev->v4l2_dev);
+        if (ret < 0)
+                return ret;
+
         /* Init mutex for core locking */
         mutex_init(&fmdev->mutex);
 
@@ -549,6 +554,7 @@ int fm_v4l2_init_video_device(struct fmdev *fmdev, int radio_nr)
         video_set_drvdata(gradio_dev, fmdev);
 
         gradio_dev->lock = &fmdev->mutex;
+        gradio_dev->v4l2_dev = &fmdev->v4l2_dev;
 
         /* Register with V4L2 subsystem as RADIO device */
         if (video_register_device(gradio_dev, VFL_TYPE_RADIO, radio_nr)) {
@@ -611,5 +617,7 @@ void *fm_v4l2_deinit_video_device(void)
         /* Unregister RADIO device from V4L2 subsystem */
         video_unregister_device(gradio_dev);
 
+        v4l2_device_unregister(&fmdev->v4l2_dev);
+
         return fmdev;
 }