Tvheadend

static int cxusb_mygica_t230_frontend_attach(struct dvb_usb_adapter *adap)

{

	struct dvb_usb_device *d = adap->dev;

	struct cxusb_state *st = d->priv;

	struct i2c_adapter *adapter;

	struct i2c_client *client_demod;

	struct i2c_client *client_tuner;

	struct i2c_board_info info;

	struct si2168_config si2168_config;

	struct si2157_config si2157_config;

	/* Select required USB configuration */

	if (usb_set_interface(d->udev, 0, 0) < 0)

		err("set interface failed");

	/* Unblock all USB pipes */

	usb_clear_halt(d->udev,

		usb_sndbulkpipe(d->udev, d->props.generic_bulk_ctrl_endpoint));

	usb_clear_halt(d->udev,

		usb_rcvbulkpipe(d->udev, d->props.generic_bulk_ctrl_endpoint));

	usb_clear_halt(d->udev,

		usb_rcvbulkpipe(d->udev, d->props.adapter[0].fe[0].stream.endpoint));

	/* attach frontend */

	si2168_config.i2c_adapter = &adapter;

	si2168_config.fe = &adap->fe_adap[0].fe;

	si2168_config.ts_mode = SI2168_TS_PARALLEL;

	si2168_config.ts_clock_inv = 1;

	memset(&info, 0, sizeof(struct i2c_board_info));

	strlcpy(info.type, "si2168", I2C_NAME_SIZE);

	info.addr = 0x64;

	info.platform_data = &si2168_config;

	request_module(info.type);

	client_demod = i2c_new_device(&d->i2c_adap, &info);

	if (client_demod == NULL || client_demod->dev.driver == NULL)

		return -ENODEV;

	if (!try_module_get(client_demod->dev.driver->owner)) {

		i2c_unregister_device(client_demod);

		return -ENODEV;

	}

	st->i2c_client_demod = client_demod;

	/* attach tuner */

	memset(&si2157_config, 0, sizeof(si2157_config));

	si2157_config.fe = adap->fe_adap[0].fe;

	memset(&info, 0, sizeof(struct i2c_board_info));

	strlcpy(info.type, "si2157", I2C_NAME_SIZE);

	info.addr = 0x60;

	info.platform_data = &si2157_config;

	request_module(info.type);

	client_tuner = i2c_new_device(adapter, &info);

	if (client_tuner == NULL || client_tuner->dev.driver == NULL) {

		module_put(client_demod->dev.driver->owner);

		i2c_unregister_device(client_demod);

		return -ENODEV;

	}

	if (!try_module_get(client_tuner->dev.driver->owner)) {

		i2c_unregister_device(client_tuner);

		module_put(client_demod->dev.driver->owner);

		i2c_unregister_device(client_demod);

		return -ENODEV;

	}

	st->i2c_client_tuner = client_tuner;

	return 0;

}

	si2168_config.ts_clock_inv = 0;

static struct dvb_usb_device_properties cxusb_mygica_t230_properties;

	    0 == dvb_usb_device_init(intf, &cxusb_mygica_t230_properties,

				     THIS_MODULE, NULL, adapter_nr) ||

 	{ USB_DEVICE(USB_VID_CONEXANT, USB_PID_MYGICA_T230) },

static struct dvb_usb_device_properties cxusb_mygica_t230_properties = {

	.caps = DVB_USB_IS_AN_I2C_ADAPTER,

	.usb_ctrl         = CYPRESS_FX2,

	.size_of_priv     = sizeof(struct cxusb_state),

	.num_adapters = 1,

	.adapter = {

		{

		.num_frontends = 1,

		.fe = {{

			.streaming_ctrl   = cxusb_streaming_ctrl,

			.frontend_attach  = cxusb_mygica_t230_frontend_attach,

			/* parameter for the MPEG2-data transfer */

			.stream = {

				.type = USB_BULK,

				.count = 5,

				.endpoint = 0x02,

				.u = {

					.bulk = {

						.buffersize = 8192,

					}

				}

			},

		} },

		},

	},

	.power_ctrl       = cxusb_d680_dmb_power_ctrl,

	.i2c_algo         = &cxusb_i2c_algo,

	.generic_bulk_ctrl_endpoint = 0x01,

	.rc.legacy = {

		.rc_interval      = 100,

		.rc_map_table     = rc_map_d680_dmb_table,

		.rc_map_size      = ARRAY_SIZE(rc_map_d680_dmb_table),

		.rc_query         = cxusb_d680_dmb_rc_query,

	},

	.num_device_descs = 1,

	.devices = {

		{

			"Mygica T230 DVB-T/T2/C",

			{ NULL },

			{ &cxusb_table[22], NULL },

		},

	}

};