diff options
| -rw-r--r-- | drivers/media/usb/tm6000/tm6000-video.c | 31 | ||||
| -rw-r--r-- | drivers/media/usb/tm6000/tm6000.h | 2 |
2 files changed, 25 insertions, 8 deletions
diff --git a/drivers/media/usb/tm6000/tm6000-video.c b/drivers/media/usb/tm6000/tm6000-video.c index 4329fbcf2de2..25202a71d65e 100644 --- a/drivers/media/usb/tm6000/tm6000-video.c +++ b/drivers/media/usb/tm6000/tm6000-video.c @@ -34,6 +34,7 @@ #include <linux/usb.h> #include <linux/videodev2.h> #include <media/v4l2-ioctl.h> +#include <media/v4l2-event.h> #include <media/tuner.h> #include <linux/interrupt.h> #include <linux/kthread.h> @@ -1350,6 +1351,7 @@ static int __tm6000_open(struct file *file) return -ENOMEM; } + v4l2_fh_init(&fh->fh, vdev); file->private_data = fh; fh->dev = dev; fh->radio = radio; @@ -1393,6 +1395,7 @@ static int __tm6000_open(struct file *file) tm6000_prepare_isoc(dev); tm6000_start_thread(dev); } + v4l2_fh_add(&fh->fh); return 0; } @@ -1433,29 +1436,35 @@ tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) static unsigned int __tm6000_poll(struct file *file, struct poll_table_struct *wait) { + unsigned long req_events = poll_requested_events(wait); struct tm6000_fh *fh = file->private_data; struct tm6000_buffer *buf; + int res = 0; + if (v4l2_event_pending(&fh->fh)) + res = POLLPRI; + else if (req_events & POLLPRI) + poll_wait(file, &fh->fh.wait, wait); if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) - return POLLERR; + return res | POLLERR; if (!!is_res_streaming(fh->dev, fh)) - return POLLERR; + return res | POLLERR; if (!is_res_read(fh->dev, fh)) { /* streaming capture */ if (list_empty(&fh->vb_vidq.stream)) - return POLLERR; + return res | POLLERR; buf = list_entry(fh->vb_vidq.stream.next, struct tm6000_buffer, vb.stream); - } else { + } else if (req_events & (POLLIN | POLLRDNORM)) { /* read() capture */ - return videobuf_poll_stream(file, &fh->vb_vidq, wait); + return res | videobuf_poll_stream(file, &fh->vb_vidq, wait); } poll_wait(file, &buf->vb.done, wait); if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) - return POLLIN | POLLRDNORM; - return 0; + return res | POLLIN | POLLRDNORM; + return res; } static unsigned int tm6000_poll(struct file *file, struct poll_table_struct *wait) @@ -1505,7 +1514,8 @@ static int tm6000_release(struct file *file) if (!fh->radio) videobuf_mmap_free(&fh->vb_vidq); } - + v4l2_fh_del(&fh->fh); + v4l2_fh_exit(&fh->fh); kfree(fh); mutex_unlock(&dev->lock); @@ -1555,6 +1565,8 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_querybuf = vidioc_querybuf, .vidioc_qbuf = vidioc_qbuf, .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; static struct video_device tm6000_template = { @@ -1579,6 +1591,8 @@ static const struct v4l2_ioctl_ops radio_ioctl_ops = { .vidioc_s_tuner = radio_s_tuner, .vidioc_g_frequency = vidioc_g_frequency, .vidioc_s_frequency = vidioc_s_frequency, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; static struct video_device tm6000_radio_template = { @@ -1607,6 +1621,7 @@ static struct video_device *vdev_init(struct tm6000_core *dev, vfd->release = video_device_release; vfd->debug = tm6000_debug; vfd->lock = &dev->lock; + set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags); snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); diff --git a/drivers/media/usb/tm6000/tm6000.h b/drivers/media/usb/tm6000/tm6000.h index a9ac262fcc93..08bd0740dd23 100644 --- a/drivers/media/usb/tm6000/tm6000.h +++ b/drivers/media/usb/tm6000/tm6000.h @@ -28,6 +28,7 @@ #include <linux/mutex.h> #include <media/v4l2-device.h> #include <media/v4l2-ctrls.h> +#include <media/v4l2-fh.h> #include <linux/dvb/frontend.h> #include "dvb_demux.h" @@ -290,6 +291,7 @@ struct tm6000_ops { }; struct tm6000_fh { + struct v4l2_fh fh; struct tm6000_core *dev; unsigned int radio; |