Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

[linux-2.6-omap-h63xx.git] / drivers / media / video / bt8xx / bttv-driver.c

diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c
index 5720b77ac9a78deed24e01a422b8b649cfa26187..b1fedb0f64310507d5260450e16816c55254411f 100644 (file)
--- a/drivers/media/video/bt8xx/bttv-driver.c
+++ b/drivers/media/video/bt8xx/bttv-driver.c
@@ -163,6 +163,24 @@ 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                                                             */
 
@@ -1313,7 +1331,7 @@ set_tvnorm(struct bttv *btv, unsigned int norm)
 
 /* Call with btv->lock down. */
 static void
-set_input(struct bttv *btv, unsigned int input)
+set_input(struct bttv *btv, unsigned int input, unsigned int norm)
 {
        unsigned long flags;
 
@@ -1332,7 +1350,7 @@ set_input(struct bttv *btv, unsigned int input)
        }
        audio_input(btv,(input == bttv_tvcards[btv->c.type].tuner ?
                       TVAUDIO_INPUT_TUNER : TVAUDIO_INPUT_EXTERN));
-       set_tvnorm(btv,btv->tvnorm);
+       set_tvnorm(btv, norm);
        i2c_vidiocschan(btv);
 }
 
@@ -1423,7 +1441,7 @@ static void bttv_reinit_bt848(struct bttv *btv)
 
        init_bt848(btv);
        btv->pll.pll_current = -1;
-       set_input(btv,btv->input);
+       set_input(btv, btv->input, btv->tvnorm);
 }
 
 static int get_control(struct bttv *btv, struct v4l2_control *c)
@@ -1993,8 +2011,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                        return 0;
                }
 
-               btv->tvnorm = v->norm;
-               set_input(btv,v->channel);
+               set_input(btv, v->channel, v->norm);
                mutex_unlock(&btv->lock);
                return 0;
        }
@@ -2130,7 +2147,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                if (*i > bttv_tvcards[btv->c.type].video_inputs)
                        return -EINVAL;
                mutex_lock(&btv->lock);
-               set_input(btv,*i);
+               set_input(btv, *i, btv->tvnorm);
                mutex_unlock(&btv->lock);
                return 0;
        }
@@ -4762,16 +4779,18 @@ static int __devinit bttv_probe(struct pci_dev *dev,
                bt848_hue(btv,32768);
                bt848_sat(btv,32768);
                audio_mute(btv, 1);
-               set_input(btv,0);
+               set_input(btv, 0, btv->tvnorm);
                bttv_crop_reset(&btv->crop[0], btv->tvnorm);
                btv->crop[1] = btv->crop[0]; /* current = default */
                disclaim_vbi_lines(btv);
                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);