diff options
Diffstat (limited to 'drivers/media/usb')
-rw-r--r-- | drivers/media/usb/dvb-usb-v2/rtl28xxu.c | 56 | ||||
-rw-r--r-- | drivers/media/usb/dvb-usb-v2/rtl28xxu.h | 1 |
2 files changed, 46 insertions, 11 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c index e9294dc..ae07740 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c @@ -852,11 +852,6 @@ err: return ret; } -static const struct e4000_config rtl2832u_e4000_config = { - .i2c_addr = 0x64, - .clock = 28800000, -}; - static const struct fc2580_config rtl2832u_fc2580_config = { .i2c_addr = 0x56, .clock = 16384000, @@ -890,10 +885,14 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) int ret; struct dvb_usb_device *d = adap_to_d(adap); struct rtl28xxu_priv *priv = d_to_priv(d); - struct dvb_frontend *fe; + struct dvb_frontend *fe = NULL; + struct i2c_board_info info; + struct i2c_client *client; dev_dbg(&d->udev->dev, "%s:\n", __func__); + memset(&info, 0, sizeof(struct i2c_board_info)); + switch (priv->tuner) { case TUNER_RTL2832_FC0012: fe = dvb_attach(fc0012_attach, adap->fe[0], @@ -913,9 +912,28 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) adap->fe[0]->ops.read_signal_strength = adap->fe[0]->ops.tuner_ops.get_rf_strength; return 0; - case TUNER_RTL2832_E4000: - fe = dvb_attach(e4000_attach, adap->fe[0], &d->i2c_adap, - &rtl2832u_e4000_config); + case TUNER_RTL2832_E4000: { + struct e4000_config e4000_config = { + .fe = adap->fe[0], + .clock = 28800000, + }; + + strlcpy(info.type, "e4000", I2C_NAME_SIZE); + info.addr = 0x64; + info.platform_data = &e4000_config; + + request_module(info.type); + client = i2c_new_device(&d->i2c_adap, &info); + if (client == NULL || client->dev.driver == NULL) + break; + + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + break; + } + + priv->client = client; + } break; case TUNER_RTL2832_FC2580: fe = dvb_attach(fc2580_attach, adap->fe[0], &d->i2c_adap, @@ -964,12 +982,11 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) adap->fe[0]->ops.tuner_ops.get_rf_strength; break; default: - fe = NULL; dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME, priv->tuner); } - if (fe == NULL) { + if (fe == NULL && priv->client == NULL) { ret = -ENODEV; goto err; } @@ -1014,6 +1031,22 @@ err: return ret; } +static void rtl28xxu_exit(struct dvb_usb_device *d) +{ + struct rtl28xxu_priv *priv = d->priv; + struct i2c_client *client = priv->client; + + dev_dbg(&d->udev->dev, "%s:\n", __func__); + + /* remove I2C tuner */ + if (client) { + module_put(client->dev.driver->owner); + i2c_unregister_device(client); + } + + return; +} + static int rtl2831u_power_ctrl(struct dvb_usb_device *d, int onoff) { int ret; @@ -1376,6 +1409,7 @@ static const struct dvb_usb_device_properties rtl2832u_props = { .frontend_attach = rtl2832u_frontend_attach, .tuner_attach = rtl2832u_tuner_attach, .init = rtl28xxu_init, + .exit = rtl28xxu_exit, .get_rc_config = rtl2832u_get_rc_config, .num_adapters = 1, diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.h b/drivers/media/usb/dvb-usb-v2/rtl28xxu.h index 2142bcb..367aca1 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.h +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.h @@ -56,6 +56,7 @@ struct rtl28xxu_priv { char *tuner_name; u8 page; /* integrated demod active register page */ bool rc_active; + struct i2c_client *client; }; enum rtl28xxu_chip_id { |