diff options
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-video.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-video.c | 67 |
1 files changed, 33 insertions, 34 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 3a1dfb7726f..849b18c9403 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -1060,12 +1060,6 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, /* the em2800 can only scale down to 50% */ height = height > (3 * maxh / 4) ? maxh : maxh / 2; width = width > (3 * maxw / 4) ? maxw : maxw / 2; - /* According to empiatech support the MaxPacketSize is too small - * to support framesizes larger than 640x480 @ 30 fps or 640x576 - * @ 25 fps. As this would cut of a part of the image we prefer - * 360x576 or 360x480 for now */ - if (width == maxw && height == maxh) - width /= 2; } else { /* width must even because of the YUYV format height must be even because of interlacing */ @@ -2087,22 +2081,30 @@ static int radio_queryctrl(struct file *file, void *priv, */ static int em28xx_v4l2_open(struct file *filp) { - int minor = video_devdata(filp)->minor; - int errCode = 0, radio; - struct em28xx *dev; - enum v4l2_buf_type fh_type; + int errCode = 0, radio = 0; + struct video_device *vdev = video_devdata(filp); + struct em28xx *dev = video_drvdata(filp); + enum v4l2_buf_type fh_type = 0; struct em28xx_fh *fh; enum v4l2_field field; - dev = em28xx_get_device(minor, &fh_type, &radio); - - if (NULL == dev) - return -ENODEV; + switch (vdev->vfl_type) { + case VFL_TYPE_GRABBER: + fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + break; + case VFL_TYPE_VBI: + fh_type = V4L2_BUF_TYPE_VBI_CAPTURE; + break; + case VFL_TYPE_RADIO: + radio = 1; + break; + } mutex_lock(&dev->lock); - em28xx_videodbg("open minor=%d type=%s users=%d\n", - minor, v4l2_type_names[fh_type], dev->users); + em28xx_videodbg("open dev=%s type=%s users=%d\n", + video_device_node_name(vdev), v4l2_type_names[fh_type], + dev->users); fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL); @@ -2166,25 +2168,25 @@ void em28xx_release_analog_resources(struct em28xx *dev) /*FIXME: I2C IR should be disconnected */ if (dev->radio_dev) { - if (-1 != dev->radio_dev->minor) + if (video_is_registered(dev->radio_dev)) video_unregister_device(dev->radio_dev); else video_device_release(dev->radio_dev); dev->radio_dev = NULL; } if (dev->vbi_dev) { - em28xx_info("V4L2 device /dev/vbi%d deregistered\n", - dev->vbi_dev->num); - if (-1 != dev->vbi_dev->minor) + em28xx_info("V4L2 device %s deregistered\n", + video_device_node_name(dev->vbi_dev)); + if (video_is_registered(dev->vbi_dev)) video_unregister_device(dev->vbi_dev); else video_device_release(dev->vbi_dev); dev->vbi_dev = NULL; } if (dev->vdev) { - em28xx_info("V4L2 device /dev/video%d deregistered\n", - dev->vdev->num); - if (-1 != dev->vdev->minor) + em28xx_info("V4L2 device %s deregistered\n", + video_device_node_name(dev->vdev)); + if (video_is_registered(dev->vdev)) video_unregister_device(dev->vdev); else video_device_release(dev->vdev); @@ -2225,7 +2227,7 @@ static int em28xx_v4l2_close(struct file *filp) } /* Save some power by putting tuner to sleep */ - v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_standby); + v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); /* do this before setting alternate! */ em28xx_uninit_isoc(dev); @@ -2403,8 +2405,6 @@ static const struct video_device em28xx_video_template = { .release = video_device_release, .ioctl_ops = &video_ioctl_ops, - .minor = -1, - .tvnorms = V4L2_STD_ALL, .current_norm = V4L2_STD_PAL, }; @@ -2439,7 +2439,6 @@ static struct video_device em28xx_radio_template = { .name = "em28xx-radio", .fops = &radio_fops, .ioctl_ops = &radio_ioctl_ops, - .minor = -1, }; /******************************** usb interface ******************************/ @@ -2457,7 +2456,6 @@ static struct video_device *em28xx_vdev_init(struct em28xx *dev, return NULL; *vfd = *template; - vfd->minor = -1; vfd->v4l2_dev = &dev->v4l2_dev; vfd->release = video_device_release; vfd->debug = video_debug; @@ -2465,6 +2463,7 @@ static struct video_device *em28xx_vdev_init(struct em28xx *dev, snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); + video_set_drvdata(vfd, dev); return vfd; } @@ -2546,16 +2545,16 @@ int em28xx_register_analog_devices(struct em28xx *dev) em28xx_errdev("can't register radio device\n"); return ret; } - em28xx_info("Registered radio device as /dev/radio%d\n", - dev->radio_dev->num); + em28xx_info("Registered radio device as %s\n", + video_device_node_name(dev->radio_dev)); } - em28xx_info("V4L2 video device registered as /dev/video%d\n", - dev->vdev->num); + em28xx_info("V4L2 video device registered as %s\n", + video_device_node_name(dev->vdev)); if (dev->vbi_dev) - em28xx_info("V4L2 VBI device registered as /dev/vbi%d\n", - dev->vbi_dev->num); + em28xx_info("V4L2 VBI device registered as %s\n", + video_device_node_name(dev->vbi_dev)); return 0; } |