aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/video
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video')
-rw-r--r--drivers/media/video/bttv-gpio.c24
-rw-r--r--drivers/media/video/bttv.h2
2 files changed, 24 insertions, 2 deletions
diff --git a/drivers/media/video/bttv-gpio.c b/drivers/media/video/bttv-gpio.c
index d64accc17b0..c4d5e2b70c2 100644
--- a/drivers/media/video/bttv-gpio.c
+++ b/drivers/media/video/bttv-gpio.c
@@ -47,9 +47,29 @@ static int bttv_sub_bus_match(struct device *dev, struct device_driver *drv)
return 0;
}
+static int bttv_sub_probe(struct device *dev)
+{
+ struct bttv_sub_device *sdev = to_bttv_sub_dev(dev);
+ struct bttv_sub_driver *sub = to_bttv_sub_drv(dev->driver);
+
+ return sub->probe ? sub->probe(sdev) : -ENODEV;
+}
+
+static int bttv_sub_remove(struct device *dev)
+{
+ struct bttv_sub_device *sdev = to_bttv_sub_dev(dev);
+ struct bttv_sub_driver *sub = to_bttv_sub_drv(dev->driver);
+
+ if (sub->remove)
+ sub->remove(sdev);
+ return 0;
+}
+
struct bus_type bttv_sub_bus_type = {
- .name = "bttv-sub",
- .match = &bttv_sub_bus_match,
+ .name = "bttv-sub",
+ .match = &bttv_sub_bus_match,
+ .probe = bttv_sub_probe,
+ .remove = bttv_sub_remove,
};
EXPORT_SYMBOL(bttv_sub_bus_type);
diff --git a/drivers/media/video/bttv.h b/drivers/media/video/bttv.h
index e370d74f2a1..9908c8e0c95 100644
--- a/drivers/media/video/bttv.h
+++ b/drivers/media/video/bttv.h
@@ -365,6 +365,8 @@ struct bttv_sub_device {
struct bttv_sub_driver {
struct device_driver drv;
char wanted[BUS_ID_SIZE];
+ int (*probe)(struct bttv_sub_device *sub);
+ void (*remove)(struct bttv_sub_device *sub);
void (*gpio_irq)(struct bttv_sub_device *sub);
};
#define to_bttv_sub_drv(x) container_of((x), struct bttv_sub_driver, drv)