Prepare the dw2102 driver for tuner drivers that are implemented as I2C drivers (such as
m88ts2022). The I2C client is stored in to the state and released at disconnect.
Signed-off-by: Olli Salonen <olli.salonen@xxxxxx>
---
drivers/media/usb/dvb-usb/dw2102.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c
index c68a610..f7dd973 100644
--- a/drivers/media/usb/dvb-usb/dw2102.c
+++ b/drivers/media/usb/dvb-usb/dw2102.c
@@ -114,6 +114,7 @@
struct dw2102_state {
u8 initialized;
+ struct i2c_client *i2c_client_tuner;
int (*old_set_voltage)(struct dvb_frontend *f, fe_sec_voltage_t v);
};
@@ -2138,10 +2139,26 @@ static int dw2102_probe(struct usb_interface *intf,
return -ENODEV;
}
+static void dw2102_disconnect(struct usb_interface *intf)
+{
+ struct dvb_usb_device *d = usb_get_intfdata(intf);
+ struct dw2102_state *st = (struct dw2102_state *)d->priv;
+ struct i2c_client *client;
+
+ /* remove I2C client for tuner */
+ client = st->i2c_client_tuner;
+ if (client) {
+ module_put(client->dev.driver->owner);
+ i2c_unregister_device(client);
+ }
+
+ dvb_usb_device_exit(intf);
+}
+
static struct usb_driver dw2102_driver = {
.name = "dw2102",
.probe = dw2102_probe,
- .disconnect = dvb_usb_device_exit,
+ .disconnect = dw2102_disconnect,
.id_table = dw2102_table,
};
--
1.9.1
--
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