V4L/DVB (13554a): v4l: Use the video_drvdata function in drivers

[linux-3.10.git] / drivers / media / video / cx88 / cx88-video.c

diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 0259ac6d8147a53b9865f2dc691b3b6521828d27..758399173a52c56e30ad91bef6e29db8fa4e8e77 100644 (file)
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -75,10 +75,6 @@ MODULE_PARM_DESC(vid_limit,"capture memory limit in megabytes");
 #define dprintk(level,fmt, arg...)     if (video_debug >= level) \
        printk(KERN_DEBUG "%s/0: " fmt, core->name , ## arg)
 
-/* ------------------------------------------------------------------ */
-
-static LIST_HEAD(cx8800_devlist);
-
 /* ------------------------------------------------------------------- */
 /* static data                                                         */
 
@@ -754,33 +750,27 @@ static int get_ressource(struct cx8800_fh *fh)
 static int video_open(struct file *file)
 {
        int minor = video_devdata(file)->minor;
-       struct cx8800_dev *h,*dev = NULL;
+       struct video_device *vdev = video_devdata(file);
+       struct cx8800_dev *dev = video_drvdata(file);
        struct cx88_core *core;
        struct cx8800_fh *fh;
        enum v4l2_buf_type type = 0;
        int radio = 0;
 
-       lock_kernel();
-       list_for_each_entry(h, &cx8800_devlist, devlist) {
-               if (h->video_dev->minor == minor) {
-                       dev  = h;
-                       type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-               }
-               if (h->vbi_dev->minor == minor) {
-                       dev  = h;
-                       type = V4L2_BUF_TYPE_VBI_CAPTURE;
-               }
-               if (h->radio_dev &&
-                   h->radio_dev->minor == minor) {
-                       radio = 1;
-                       dev   = h;
-               }
-       }
-       if (NULL == dev) {
-               unlock_kernel();
-               return -ENODEV;
+       switch (vdev->vfl_type) {
+       case VFL_TYPE_GRABBER:
+               type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+               break;
+       case VFL_TYPE_VBI:
+               type = V4L2_BUF_TYPE_VBI_CAPTURE;
+               break;
+       case VFL_TYPE_RADIO:
+               radio = 1;
+               break;
        }
 
+       lock_kernel();
+
        core = dev->core;
 
        dprintk(1,"open minor=%d radio=%d type=%s\n",
@@ -1909,6 +1899,7 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
        /* register v4l devices */
        dev->video_dev = cx88_vdev_init(core,dev->pci,
                                        &cx8800_video_template,"video");
+       video_set_drvdata(dev->video_dev, dev);
        err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
                                    video_nr[core->nr]);
        if (err < 0) {
@@ -1920,6 +1911,7 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
               core->name, video_device_node_name(dev->video_dev));
 
        dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
+       video_set_drvdata(dev->vbi_dev, dev);
        err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
                                    vbi_nr[core->nr]);
        if (err < 0) {
@@ -1933,6 +1925,7 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
        if (core->board.radio.type == CX88_RADIO) {
                dev->radio_dev = cx88_vdev_init(core,dev->pci,
                                                &cx8800_radio_template,"radio");
+               video_set_drvdata(dev->radio_dev, dev);
                err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
                                            radio_nr[core->nr]);
                if (err < 0) {
@@ -1945,7 +1938,6 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
        }
 
        /* everything worked */
-       list_add_tail(&dev->devlist,&cx8800_devlist);
        pci_set_drvdata(pci_dev,dev);
 
        /* initial device configuration */
@@ -2001,7 +1993,6 @@ static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
 
        /* free memory */
        btcx_riscmem_free(dev->pci,&dev->vidq.stopper);
-       list_del(&dev->devlist);
        cx88_core_put(core,dev->pci);
        kfree(dev);
 }