diff options
Diffstat (limited to 'drivers/media/v4l2-core')
-rw-r--r-- | drivers/media/v4l2-core/v4l2-event.c | 5 | ||||
-rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 29 | ||||
-rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 26 |
3 files changed, 57 insertions, 3 deletions
diff --git a/drivers/media/v4l2-core/v4l2-event.c b/drivers/media/v4l2-core/v4l2-event.c index 9d673d113d7a..290c6b213179 100644 --- a/drivers/media/v4l2-core/v4l2-event.c +++ b/drivers/media/v4l2-core/v4l2-event.c @@ -27,6 +27,7 @@ static unsigned sev_pos(const struct v4l2_subscribed_event *sev, unsigned idx) static int __v4l2_event_dequeue(struct v4l2_fh *fh, struct v4l2_event *event) { struct v4l2_kevent *kev; + struct timespec64 ts; unsigned long flags; spin_lock_irqsave(&fh->vdev->fh_lock, flags); @@ -44,7 +45,9 @@ static int __v4l2_event_dequeue(struct v4l2_fh *fh, struct v4l2_event *event) kev->event.pending = fh->navailable; *event = kev->event; - event->timestamp = ns_to_timespec(kev->ts); + ts = ns_to_timespec64(kev->ts); + event->timestamp.tv_sec = ts.tv_sec; + event->timestamp.tv_nsec = ts.tv_nsec; kev->sev->first = sev_pos(kev->sev, 1); kev->sev->in_use--; diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 1f22b1355778..f13b232e6c31 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -821,7 +821,7 @@ static void v4l_print_event(const void *arg, bool write_only) const struct v4l2_event *p = arg; const struct v4l2_event_ctrl *c; - pr_cont("type=0x%x, pending=%u, sequence=%u, id=%u, timestamp=%lu.%9.9lu\n", + pr_cont("type=0x%x, pending=%u, sequence=%u, id=%u, timestamp=%llu.%9.9llu\n", p->type, p->pending, p->sequence, p->id, p->timestamp.tv_sec, p->timestamp.tv_nsec); switch (p->type) { @@ -3025,6 +3025,13 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, static unsigned int video_translate_cmd(unsigned int cmd) { + switch (cmd) { +#ifdef CONFIG_COMPAT_32BIT_TIME + case VIDIOC_DQEVENT_TIME32: + return VIDIOC_DQEVENT; +#endif + } + return cmd; } @@ -3074,6 +3081,26 @@ static int video_put_user(void __user *arg, void *parg, unsigned int cmd) return 0; switch (cmd) { +#ifdef CONFIG_COMPAT_32BIT_TIME + case VIDIOC_DQEVENT_TIME32: { + struct v4l2_event *ev = parg; + struct v4l2_event_time32 ev32 = { + .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)); + + if (copy_to_user(arg, &ev32, sizeof(ev32))) + return -EFAULT; + break; + } +#endif default: /* Copy results into user buffer */ if (copy_to_user(arg, parg, _IOC_SIZE(cmd))) diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index 9e987c0f840e..de926e311348 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); |