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-rw-r--r--drivers/media/video/cx88/cx88-blackbird.c12
-rw-r--r--drivers/media/video/cx88/cx88-dvb.c5
-rw-r--r--drivers/media/video/cx88/cx88-mpeg.c28
-rw-r--r--drivers/media/video/cx88/cx88-video.c10
-rw-r--r--drivers/media/video/cx88/cx88.h1
5 files changed, 39 insertions, 17 deletions
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index 078be631955..d3ae5b4dfca 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -1078,7 +1078,7 @@ static int mpeg_open(struct inode *inode, struct file *file)
}
}
- if (blackbird_initialize_codec(dev) < 0) {
+ if (!atomic_read(&dev->core->mpeg_users) && blackbird_initialize_codec(dev) < 0) {
if (drv)
drv->request_release(drv);
unlock_kernel();
@@ -1109,6 +1109,8 @@ static int mpeg_open(struct inode *inode, struct file *file)
fh->mpegq.field);
unlock_kernel();
+ atomic_inc(&dev->core->mpeg_users);
+
return 0;
}
@@ -1118,7 +1120,7 @@ static int mpeg_release(struct inode *inode, struct file *file)
struct cx8802_dev *dev = fh->dev;
struct cx8802_driver *drv = NULL;
- if (dev->mpeg_active)
+ if (dev->mpeg_active && atomic_read(&dev->core->mpeg_users) == 1)
blackbird_stop_codec(dev);
cx8802_cancel_buffers(fh->dev);
@@ -1138,6 +1140,8 @@ static int mpeg_release(struct inode *inode, struct file *file)
if (drv)
drv->request_release(drv);
+ atomic_dec(&dev->core->mpeg_users);
+
return 0;
}
@@ -1158,6 +1162,10 @@ static unsigned int
mpeg_poll(struct file *file, struct poll_table_struct *wait)
{
struct cx8802_fh *fh = file->private_data;
+ struct cx8802_dev *dev = fh->dev;
+
+ if (!dev->mpeg_active)
+ blackbird_start_codec(file, fh);
return videobuf_poll_stream(file, &fh->mpegq, wait);
}
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index cf6c30d4e54..309ca5e6806 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -598,6 +598,11 @@ static int dvb_register(struct cx8802_dev *dev)
struct videobuf_dvb_frontend *fe0, *fe1 = NULL;
int mfe_shared = 0; /* bus not shared by default */
+ if (0 != core->i2c_rc) {
+ printk(KERN_ERR "%s/2: no i2c-bus available, cannot attach dvb drivers\n", core->name);
+ goto frontend_detach;
+ }
+
/* Get the first frontend */
fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
if (!fe0)
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c
index a1c435b4b1c..3ebdcd1d83f 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -769,10 +769,6 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
struct cx8802_dev *dev;
struct cx88_core *core;
int err;
-#if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE)
- struct videobuf_dvb_frontend *demod;
- int i;
-#endif
/* general setup */
core = cx88_core_get(pci_dev);
@@ -803,15 +799,21 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
mutex_init(&dev->frontends.lock);
INIT_LIST_HEAD(&dev->frontends.felist);
- if (core->board.num_frontends)
- printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__, core->board.num_frontends);
-
- for (i = 1; i <= core->board.num_frontends; i++) {
- demod = videobuf_dvb_alloc_frontend(&dev->frontends, i);
- if(demod == NULL) {
- printk(KERN_ERR "%s() failed to alloc\n", __func__);
- err = -ENOMEM;
- goto fail_free;
+ if (core->board.num_frontends) {
+ struct videobuf_dvb_frontend *fe;
+ int i;
+
+ printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__,
+ core->board.num_frontends);
+ for (i = 1; i <= core->board.num_frontends; i++) {
+ fe = videobuf_dvb_alloc_frontend(&dev->frontends, i);
+ if(fe == NULL) {
+ printk(KERN_ERR "%s() failed to alloc\n",
+ __func__);
+ videobuf_dvb_dealloc_frontends(&dev->frontends);
+ err = -ENOMEM;
+ goto fail_free;
+ }
}
}
#endif
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 61265fd04d5..b96ce991d96 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -1216,8 +1216,12 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
struct cx8800_fh *fh = priv;
struct cx8800_dev *dev = fh->dev;
- if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
+ /* We should remember that this driver also supports teletext, */
+ /* so we have to test if the v4l2_buf_type is VBI capture data. */
+ if (unlikely((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)))
return -EINVAL;
+
if (unlikely(i != fh->type))
return -EINVAL;
@@ -1232,8 +1236,10 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
struct cx8800_dev *dev = fh->dev;
int err, res;
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
+ (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
return -EINVAL;
+
if (i != fh->type)
return -EINVAL;
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h
index 76207c2856b..f4240965be3 100644
--- a/drivers/media/video/cx88/cx88.h
+++ b/drivers/media/video/cx88/cx88.h
@@ -352,6 +352,7 @@ struct cx88_core {
/* various v4l controls */
u32 freq;
atomic_t users;
+ atomic_t mpeg_users;
/* cx88-video needs to access cx8802 for hybrid tuner pll access. */
struct cx8802_dev *dvbdev;