Merge branch 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb

* 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (184 commits)
  V4L/DVB (5563): Radio-maestro.c Replace radio_ioctl to use video_ioctl2
  V4L/DVB (5562): Radio-gemtek-pci.c Replace gemtek_pci_ioctl to use video_ioctl2
  V4L/DVB (5560): Ivtv: fix incorrect bitwise-and for command flags.
  V4L/DVB (5558): Opera: use 7-bit i2c addresses
  V4L/DVB (5557): Cafe_ccic: check return value of pci_enable_device
  V4L/DVB (5556): Radio-gemtek.c Replace gemtek_ioctl to use video_ioctl2
  V4L/DVB (5555): Radio-aimslab.c Replace rt_ioctl to use video_ioctl2
  V4L/DVB (5554): Fix: vidioc_g_parm were not zeroing the memory
  V4L/DVB (5553): Replace typhoon_do_ioctl to use video_ioctl2
  V4L/DVB (5552): Plan-b: Switch to refcounting PCI API
  V4L/DVB (5551): Plan-b: header change
  V4L/DVB (5550): Radio-sf16fmi.c Replace fmi_do_ioctl to use video_ioctl2
  V4L/DVB (5549): Radio-sf16fmr2.c Replace fmr2_do_ioctl to use video_ioctl2
  V4L/DVB (5548): Fix v4l2 buffer to the length
  V4L/DVB (5547): Add ENUM_FRAMESIZES and ENUM_FRAMEINTERVALS ioctls
  V4L/DVB (5546): Radio-terratec.c Replace tt_do_ioctl to use video_ioctl2
  V4L/DVB (5545): Saa7146: Release capture buffers on device close
  V4L/DVB (5544): Budget-av: Make inversion setting configurable, add KNC ONE V1.0 card
  V4L/DVB (5543): Tda10023: Add support for frontend TDA10023
  V4L/DVB (5542): Budget-av: Remove polarity switching of the clock for DVB-C
  ...

1 files changed, 22 insertions, 2 deletions

diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c
index 5720b77ac9a7..1c38723d3169 100644
--- a/drivers/media/video/bt8xx/bttv-driver.c
+++ b/drivers/media/video/bt8xx/bttv-driver.c
@@ -164,6 +164,24 @@ static ssize_t show_card(struct class_device *cd, char *buf)
 static CLASS_DEVICE_ATTR(card, S_IRUGO, show_card, NULL);
 
 /* ----------------------------------------------------------------------- */
+/* dvb auto-load setup                                                     */
+#if defined(CONFIG_MODULES) && defined(MODULE)
+static void request_module_async(struct work_struct *work)
+{
+        request_module("dvb-bt8xx");
+}
+
+static void request_modules(struct bttv *dev)
+{
+        INIT_WORK(&dev->request_module_wk, request_module_async);
+        schedule_work(&dev->request_module_wk);
+}
+#else
+#define request_modules(dev)
+#endif /* CONFIG_MODULES */
+
+
+/* ----------------------------------------------------------------------- */
 /* static data                                                             */
 
 /* special timing tables from conexant... */
@@ -4769,9 +4787,11 @@ static int __devinit bttv_probe(struct pci_dev *dev,
                 disclaim_video_lines(btv);
         }
 
-        /* add subdevices */
-        if (bttv_tvcards[btv->c.type].has_dvb)
+        /* add subdevices and autoload dvb-bt8xx if needed */
+        if (bttv_tvcards[btv->c.type].has_dvb) {
                 bttv_sub_add_device(&btv->c, "dvb");
+                request_modules(btv);
+        }
 
         bttv_input_init(btv);