1 files changed, 36 insertions, 0 deletions
diff --git a/linux/drivers/media/dvb/dvb-usb/dvb-usb-i2c.c b/linux/drivers/media/dvb/dvb-usb/dvb-usb-i2c.c
new file mode 100644
index 000000000..11fd89233
--- /dev/null
+++ b/linux/drivers/media/dvb/dvb-usb/dvb-usb-i2c.c
@@ -0,0 +1,36 @@
+#include "dvb-usb-common.h"
+
+int dvb_usb_i2c_init(struct dvb_usb_device *d)
+{
+	int ret = 0;
+
+	if (!(d->props.caps & DVB_USB_IS_AN_I2C_ADAPTER))
+		return 0;
+
+	strncpy(d->i2c_adap.name,d->desc->name,I2C_NAME_SIZE);
+#ifdef I2C_ADAP_CLASS_TV_DIGITAL
+	d->i2c_adap.class = I2C_ADAP_CLASS_TV_DIGITAL,
+#else
+	d->i2c_adap.class = I2C_CLASS_TV_DIGITAL,
+#endif
+	d->i2c_adap.algo      = &d->props.i2c_algo;
+	d->i2c_adap.algo_data = NULL;
+	d->i2c_adap.id      = I2C_ALGO_BIT;
+
+	i2c_set_adapdata(&d->i2c_adap, d);
+
+	if ((ret = i2c_add_adapter(&d->i2c_adap)) < 0)
+		err("could not add i2c adapter");
+
+	d->init_state |= DVB_USB_STATE_I2C;
+
+	return ret;
+}
+
+int dvb_usb_i2c_exit(struct dvb_usb_device *d)
+{
+	if (d->init_state & DVB_USB_STATE_I2C)
+		i2c_del_adapter(&d->i2c_adap);
+	d->init_state &= ~DVB_USB_STATE_I2C;
+	return 0;
+}