1 files changed, 31 insertions, 0 deletions

diff --git a/drivers/media/dvb/dvb-usb/dvb_usb_init.c b/drivers/media/dvb/dvb-usb/dvb_usb_init.c
index 9dcf4e525795..aa7caa5c4684 100644
--- a/drivers/media/dvb/dvb-usb/dvb_usb_init.c
+++ b/drivers/media/dvb/dvb-usb/dvb_usb_init.c
@@ -68,6 +68,37 @@ err:
         return ret;
 }
 
+int dvb_usb_i2c_init(struct dvb_usb_device *d)
+{
+        int ret = 0;
+
+        if (!d->props.i2c_algo)
+                return 0;
+
+        strlcpy(d->i2c_adap.name, d->name, sizeof(d->i2c_adap.name));
+        d->i2c_adap.algo = d->props.i2c_algo;
+        d->i2c_adap.algo_data = NULL;
+        d->i2c_adap.dev.parent = &d->udev->dev;
+
+        i2c_set_adapdata(&d->i2c_adap, d);
+
+        ret = i2c_add_adapter(&d->i2c_adap);
+        if (ret < 0)
+                pr_err("%s: could not add i2c adapter", KBUILD_MODNAME);
+
+        d->state |= DVB_USB_STATE_I2C;
+
+        return ret;
+}
+
+int dvb_usb_i2c_exit(struct dvb_usb_device *d)
+{
+        if (d->state & DVB_USB_STATE_I2C)
+                i2c_del_adapter(&d->i2c_adap);
+        d->state &= ~DVB_USB_STATE_I2C;
+        return 0;
+}
+
 static int dvb_usb_adapter_init(struct dvb_usb_device *d)
 {
         struct dvb_usb_adapter *adap;