From 70769b24d2973428907de3429dd2a5792e4ce317 Mon Sep 17 00:00:00 2001 From: Olli Salonen Date: Mon, 16 Mar 2015 14:14:05 -0300 Subject: [PATCH] [media] dw2102: store i2c client for tuner into dw2102_state 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 Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- 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 c68a610f9a2c..f7dd973e2c40 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, }; -- 2.30.2