diff options
Diffstat (limited to 'drivers/media/pci/saa7134/saa7134-video.c')
| -rw-r--r-- | drivers/media/pci/saa7134/saa7134-video.c | 43 |
1 files changed, 21 insertions, 22 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c index 7ba42e2e5a18..5e2d61c1cf3d 100644 --- a/drivers/media/pci/saa7134/saa7134-video.c +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -403,16 +403,6 @@ static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int return 1; } -static int res_check(struct saa7134_fh *fh, unsigned int bit) -{ - return (fh->resources & bit); -} - -static int res_locked(struct saa7134_dev *dev, unsigned int bit) -{ - return (dev->resources & bit); -} - static void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits) { @@ -1091,11 +1081,12 @@ static struct videobuf_queue *saa7134_queue(struct file *file) { struct video_device *vdev = video_devdata(file); struct saa7134_dev *dev = video_drvdata(file); + struct saa7134_fh *fh = file->private_data; struct videobuf_queue *q = NULL; switch (vdev->vfl_type) { case VFL_TYPE_GRABBER: - q = &dev->cap; + q = fh->is_empress ? &dev->empress_tsq : &dev->cap; break; case VFL_TYPE_VBI: q = &dev->vbi; @@ -1109,9 +1100,10 @@ static struct videobuf_queue *saa7134_queue(struct file *file) static int saa7134_resource(struct file *file) { struct video_device *vdev = video_devdata(file); + struct saa7134_fh *fh = file->private_data; if (vdev->vfl_type == VFL_TYPE_GRABBER) - return RESOURCE_VIDEO; + return fh->is_empress ? RESOURCE_EMPRESS : RESOURCE_VIDEO; if (vdev->vfl_type == VFL_TYPE_VBI) return RESOURCE_VBI; @@ -1935,30 +1927,34 @@ static int saa7134_overlay(struct file *file, void *priv, unsigned int on) return 0; } -static int saa7134_reqbufs(struct file *file, void *priv, +int saa7134_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *p) { return videobuf_reqbufs(saa7134_queue(file), p); } +EXPORT_SYMBOL_GPL(saa7134_reqbufs); -static int saa7134_querybuf(struct file *file, void *priv, +int saa7134_querybuf(struct file *file, void *priv, struct v4l2_buffer *b) { return videobuf_querybuf(saa7134_queue(file), b); } +EXPORT_SYMBOL_GPL(saa7134_querybuf); -static int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) +int saa7134_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) { return videobuf_qbuf(saa7134_queue(file), b); } +EXPORT_SYMBOL_GPL(saa7134_qbuf); -static int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) +int saa7134_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) { return videobuf_dqbuf(saa7134_queue(file), b, file->f_flags & O_NONBLOCK); } +EXPORT_SYMBOL_GPL(saa7134_dqbuf); -static int saa7134_streamon(struct file *file, void *priv, +int saa7134_streamon(struct file *file, void *priv, enum v4l2_buf_type type) { struct saa7134_dev *dev = video_drvdata(file); @@ -1974,21 +1970,23 @@ static int saa7134_streamon(struct file *file, void *priv, * Unfortunately, I lack register-level documentation to check the * Linux FIFO setup and confirm the perfect value. */ - pm_qos_add_request(&dev->qos_request, - PM_QOS_CPU_DMA_LATENCY, - 20); + if (res != RESOURCE_EMPRESS) + pm_qos_add_request(&dev->qos_request, + PM_QOS_CPU_DMA_LATENCY, 20); return videobuf_streamon(saa7134_queue(file)); } +EXPORT_SYMBOL_GPL(saa7134_streamon); -static int saa7134_streamoff(struct file *file, void *priv, +int saa7134_streamoff(struct file *file, void *priv, enum v4l2_buf_type type) { struct saa7134_dev *dev = video_drvdata(file); int err; int res = saa7134_resource(file); - pm_qos_remove_request(&dev->qos_request); + if (res != RESOURCE_EMPRESS) + pm_qos_remove_request(&dev->qos_request); err = videobuf_streamoff(saa7134_queue(file)); if (err < 0) @@ -1996,6 +1994,7 @@ static int saa7134_streamoff(struct file *file, void *priv, res_free(dev, priv, res); return 0; } +EXPORT_SYMBOL_GPL(saa7134_streamoff); #ifdef CONFIG_VIDEO_ADV_DEBUG static int vidioc_g_register (struct file *file, void *priv, |