[media] anysee: convert tda18212 tuner to I2C client
Used tda18212 tuner is implemented as I2C driver. Implement I2C client to anysee and use it for tda18212. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
parent
3ab779c039
commit
f80f2ae213
2 changed files with 150 additions and 34 deletions
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@ -332,7 +332,6 @@ static struct tda10023_config anysee_tda10023_tda18212_config = {
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};
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static struct tda18212_config anysee_tda18212_config = {
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.i2c_address = (0xc0 >> 1),
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.if_dvbt_6 = 4150,
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.if_dvbt_7 = 4150,
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.if_dvbt_8 = 4150,
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@ -340,7 +339,6 @@ static struct tda18212_config anysee_tda18212_config = {
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};
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static struct tda18212_config anysee_tda18212_config2 = {
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.i2c_address = 0x60 /* (0xc0 >> 1) */,
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.if_dvbt_6 = 3550,
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.if_dvbt_7 = 3700,
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.if_dvbt_8 = 4150,
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@ -632,6 +630,92 @@ static int anysee_frontend_ctrl(struct dvb_frontend *fe, int onoff)
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return ret;
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}
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static int anysee_add_i2c_dev(struct dvb_usb_device *d, char *type, u8 addr,
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void *platform_data)
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{
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int ret, num;
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struct anysee_state *state = d_to_priv(d);
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struct i2c_client *client;
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struct i2c_adapter *adapter = &d->i2c_adap;
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struct i2c_board_info board_info = {
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.addr = addr,
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.platform_data = platform_data,
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};
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strlcpy(board_info.type, type, I2C_NAME_SIZE);
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/* find first free client */
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for (num = 0; num < ANYSEE_I2C_CLIENT_MAX; num++) {
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if (state->i2c_client[num] == NULL)
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break;
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}
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dev_dbg(&d->udev->dev, "%s: num=%d\n", __func__, num);
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if (num == ANYSEE_I2C_CLIENT_MAX) {
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dev_err(&d->udev->dev, "%s: I2C client out of index\n",
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KBUILD_MODNAME);
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ret = -ENODEV;
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goto err;
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}
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request_module(board_info.type);
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/* register I2C device */
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client = i2c_new_device(adapter, &board_info);
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if (client == NULL || client->dev.driver == NULL) {
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ret = -ENODEV;
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goto err;
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}
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/* increase I2C driver usage count */
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if (!try_module_get(client->dev.driver->owner)) {
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i2c_unregister_device(client);
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ret = -ENODEV;
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goto err;
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}
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state->i2c_client[num] = client;
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return 0;
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err:
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dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
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return ret;
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}
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static void anysee_del_i2c_dev(struct dvb_usb_device *d)
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{
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int num;
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struct anysee_state *state = d_to_priv(d);
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struct i2c_client *client;
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/* find last used client */
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num = ANYSEE_I2C_CLIENT_MAX;
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while (num--) {
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if (state->i2c_client[num] != NULL)
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break;
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}
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dev_dbg(&d->udev->dev, "%s: num=%d\n", __func__, num);
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if (num == -1) {
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dev_err(&d->udev->dev, "%s: I2C client out of index\n",
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KBUILD_MODNAME);
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goto err;
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}
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client = state->i2c_client[num];
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/* decrease I2C driver usage count */
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module_put(client->dev.driver->owner);
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/* unregister I2C device */
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i2c_unregister_device(client);
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state->i2c_client[num] = NULL;
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err:
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dev_dbg(&d->udev->dev, "%s: failed\n", __func__);
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}
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static int anysee_frontend_attach(struct dvb_usb_adapter *adap)
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{
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struct anysee_state *state = adap_to_priv(adap);
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@ -640,12 +724,12 @@ static int anysee_frontend_attach(struct dvb_usb_adapter *adap)
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u8 tmp;
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struct i2c_msg msg[2] = {
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{
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.addr = anysee_tda18212_config.i2c_address,
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.addr = 0x60,
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.flags = 0,
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.len = 1,
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.buf = "\x00",
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}, {
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.addr = anysee_tda18212_config.i2c_address,
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.addr = 0x60,
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.flags = I2C_M_RD,
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.len = 1,
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.buf = &tmp,
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@ -723,9 +807,11 @@ static int anysee_frontend_attach(struct dvb_usb_adapter *adap)
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/* probe TDA18212 */
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tmp = 0;
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ret = i2c_transfer(&d->i2c_adap, msg, 2);
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if (ret == 2 && tmp == 0xc7)
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if (ret == 2 && tmp == 0xc7) {
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dev_dbg(&d->udev->dev, "%s: TDA18212 found\n",
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__func__);
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state->has_tda18212 = true;
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}
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else
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tmp = 0;
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@ -939,46 +1025,63 @@ static int anysee_tuner_attach(struct dvb_usb_adapter *adap)
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* fails attach old simple PLL. */
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/* attach tuner */
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fe = dvb_attach(tda18212_attach, adap->fe[0], &d->i2c_adap,
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&anysee_tda18212_config);
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if (state->has_tda18212) {
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struct tda18212_config tda18212_config =
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anysee_tda18212_config;
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if (fe && adap->fe[1]) {
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/* attach tuner for 2nd FE */
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fe = dvb_attach(tda18212_attach, adap->fe[1],
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&d->i2c_adap, &anysee_tda18212_config);
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break;
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} else if (fe) {
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break;
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}
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tda18212_config.fe = adap->fe[0];
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ret = anysee_add_i2c_dev(d, "tda18212", 0x60,
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&tda18212_config);
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if (ret)
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goto err;
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/* attach tuner */
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fe = dvb_attach(dvb_pll_attach, adap->fe[0], (0xc0 >> 1),
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&d->i2c_adap, DVB_PLL_SAMSUNG_DTOS403IH102A);
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/* copy tuner ops for 2nd FE as tuner is shared */
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if (adap->fe[1]) {
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adap->fe[1]->tuner_priv =
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adap->fe[0]->tuner_priv;
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memcpy(&adap->fe[1]->ops.tuner_ops,
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&adap->fe[0]->ops.tuner_ops,
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sizeof(struct dvb_tuner_ops));
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}
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if (fe && adap->fe[1]) {
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/* attach tuner for 2nd FE */
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fe = dvb_attach(dvb_pll_attach, adap->fe[1],
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return 0;
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} else {
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/* attach tuner */
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fe = dvb_attach(dvb_pll_attach, adap->fe[0],
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(0xc0 >> 1), &d->i2c_adap,
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DVB_PLL_SAMSUNG_DTOS403IH102A);
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if (fe && adap->fe[1]) {
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/* attach tuner for 2nd FE */
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fe = dvb_attach(dvb_pll_attach, adap->fe[1],
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(0xc0 >> 1), &d->i2c_adap,
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DVB_PLL_SAMSUNG_DTOS403IH102A);
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}
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}
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break;
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case ANYSEE_HW_508TC: /* 18 */
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case ANYSEE_HW_508PTC: /* 21 */
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{
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/* E7 TC */
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/* E7 PTC */
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struct tda18212_config tda18212_config = anysee_tda18212_config;
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/* attach tuner */
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fe = dvb_attach(tda18212_attach, adap->fe[0], &d->i2c_adap,
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&anysee_tda18212_config);
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tda18212_config.fe = adap->fe[0];
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ret = anysee_add_i2c_dev(d, "tda18212", 0x60, &tda18212_config);
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if (ret)
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goto err;
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if (fe) {
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/* attach tuner for 2nd FE */
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fe = dvb_attach(tda18212_attach, adap->fe[1],
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&d->i2c_adap, &anysee_tda18212_config);
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/* copy tuner ops for 2nd FE as tuner is shared */
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if (adap->fe[1]) {
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adap->fe[1]->tuner_priv = adap->fe[0]->tuner_priv;
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memcpy(&adap->fe[1]->ops.tuner_ops,
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&adap->fe[0]->ops.tuner_ops,
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sizeof(struct dvb_tuner_ops));
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}
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break;
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return 0;
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}
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case ANYSEE_HW_508S2: /* 19 */
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case ANYSEE_HW_508PS2: /* 22 */
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/* E7 S2 */
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@ -997,13 +1100,18 @@ static int anysee_tuner_attach(struct dvb_usb_adapter *adap)
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break;
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case ANYSEE_HW_508T2C: /* 20 */
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{
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/* E7 T2C */
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struct tda18212_config tda18212_config =
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anysee_tda18212_config2;
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/* attach tuner */
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fe = dvb_attach(tda18212_attach, adap->fe[0], &d->i2c_adap,
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&anysee_tda18212_config2);
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tda18212_config.fe = adap->fe[0];
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ret = anysee_add_i2c_dev(d, "tda18212", 0x60, &tda18212_config);
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if (ret)
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goto err;
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break;
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return 0;
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}
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default:
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fe = NULL;
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}
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@ -1012,7 +1120,7 @@ static int anysee_tuner_attach(struct dvb_usb_adapter *adap)
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ret = 0;
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else
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ret = -ENODEV;
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err:
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return ret;
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}
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@ -1270,6 +1378,11 @@ static int anysee_init(struct dvb_usb_device *d)
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static void anysee_exit(struct dvb_usb_device *d)
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{
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struct anysee_state *state = d_to_priv(d);
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if (state->i2c_client[0])
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anysee_del_i2c_dev(d);
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return anysee_ci_release(d);
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}
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@ -55,8 +55,11 @@ struct anysee_state {
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u8 buf[64];
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u8 seq;
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u8 hw; /* PCB ID */
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#define ANYSEE_I2C_CLIENT_MAX 1
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struct i2c_client *i2c_client[ANYSEE_I2C_CLIENT_MAX];
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u8 fe_id:1; /* frondend ID */
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u8 has_ci:1;
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u8 has_tda18212:1;
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u8 ci_attached:1;
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struct dvb_ca_en50221 ci;
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unsigned long ci_cam_ready; /* jiffies */
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