static int em28xx_dvb_fini(struct em28xx *dev)
{
if (!dev->board.has_dvb) {
/* This device does not support the extension */
return 0;
}
if (dev->dvb) {
struct em28xx_dvb *dvb = dev->dvb;
if (dev->disconnected) {
/* We cannot tell the device to sleep
* once it has been unplugged. */
if (dvb->fe[0])
prevent_sleep(&dvb->fe[0]->ops);
if (dvb->fe[1])
prevent_sleep(&dvb->fe[1]->ops);
}
em28xx_unregister_dvb(dvb);
kfree(dvb);
dev->dvb = NULL;
}
return 0;
}
static int em28xx_dvb_fini(struct em28xx *dev)
{
struct em28xx_dvb *dvb;
struct i2c_client *client;
if (dev->is_audio_only) {
/* Shouldn't initialize IR for this interface */
return 0;
}
if (!dev->board.has_dvb) {
/* This device does not support the extension */
return 0;
}
if (!dev->dvb)
return 0;
em28xx_info("Closing DVB extension");
dvb = dev->dvb;
client = dvb->i2c_client_tuner;
em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE);
if (dev->disconnected) {
/* We cannot tell the device to sleep
* once it has been unplugged. */
if (dvb->fe[0]) {
prevent_sleep(&dvb->fe[0]->ops);
dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED;
}
if (dvb->fe[1]) {
prevent_sleep(&dvb->fe[1]->ops);
dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED;
}
}
/* remove I2C tuner */
if (client) {
module_put(client->dev.driver->owner);
i2c_unregister_device(client);
}
/* remove I2C demod */
client = dvb->i2c_client_demod;
if (client) {
module_put(client->dev.driver->owner);
i2c_unregister_device(client);
}
em28xx_unregister_dvb(dvb);
kfree(dvb);
dev->dvb = NULL;
kref_put(&dev->ref, em28xx_free_device);
return 0;
}
static int em28xx_dvb_init(struct em28xx *dev)
{
int result = 0, mfe_shared = 0;
struct em28xx_dvb *dvb;
if (dev->is_audio_only) {
/* Shouldn't initialize IR for this interface */
return 0;
}
if (!dev->board.has_dvb) {
/* This device does not support the extension */
return 0;
}
em28xx_info("Binding DVB extension\n");
dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
if (dvb == NULL) {
em28xx_info("em28xx_dvb: memory allocation failed\n");
return -ENOMEM;
}
dev->dvb = dvb;
dvb->fe[0] = dvb->fe[1] = NULL;
/* pre-allocate DVB usb transfer buffers */
if (dev->dvb_xfer_bulk) {
result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
dev->dvb_xfer_bulk,
EM28XX_DVB_NUM_BUFS,
512,
EM28XX_DVB_BULK_PACKET_MULTIPLIER);
} else {
result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
dev->dvb_xfer_bulk,
EM28XX_DVB_NUM_BUFS,
dev->dvb_max_pkt_size_isoc,
EM28XX_DVB_NUM_ISOC_PACKETS);
}
if (result) {
em28xx_errdev("em28xx_dvb: failed to pre-allocate USB transfer buffers for DVB.\n");
kfree(dvb);
dev->dvb = NULL;
return result;
}
mutex_lock(&dev->lock);
em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
/* init frontend */
switch (dev->model) {
case EM2874_BOARD_LEADERSHIP_ISDBT:
dvb->fe[0] = dvb_attach(s921_attach,
&sharp_isdbt, &dev->i2c_adap[dev->def_i2c_bus]);
if (!dvb->fe[0]) {
result = -EINVAL;
goto out_free;
}
break;
case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
dvb->fe[0] = dvb_attach(lgdt330x_attach,
&em2880_lgdt3303_dev,
&dev->i2c_adap[dev->def_i2c_bus]);
if (em28xx_attach_xc3028(0x61, dev) < 0) {
result = -EINVAL;
goto out_free;
}
break;
case EM2880_BOARD_KWORLD_DVB_310U:
dvb->fe[0] = dvb_attach(zl10353_attach,
&em28xx_zl10353_with_xc3028,
&dev->i2c_adap[dev->def_i2c_bus]);
if (em28xx_attach_xc3028(0x61, dev) < 0) {
result = -EINVAL;
goto out_free;
}
break;
case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
case EM2882_BOARD_TERRATEC_HYBRID_XS:
case EM2880_BOARD_EMPIRE_DUAL_TV:
dvb->fe[0] = dvb_attach(zl10353_attach,
&em28xx_zl10353_xc3028_no_i2c_gate,
&dev->i2c_adap[dev->def_i2c_bus]);
if (em28xx_attach_xc3028(0x61, dev) < 0) {
result = -EINVAL;
goto out_free;
}
break;
case EM2880_BOARD_TERRATEC_HYBRID_XS:
case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
case EM2881_BOARD_PINNACLE_HYBRID_PRO:
case EM2882_BOARD_DIKOM_DK300:
case EM2882_BOARD_KWORLD_VS_DVBT:
dvb->fe[0] = dvb_attach(zl10353_attach,
&em28xx_zl10353_xc3028_no_i2c_gate,
&dev->i2c_adap[dev->def_i2c_bus]);
if (dvb->fe[0] == NULL) {
/* This board could have either a zl10353 or a mt352.
If the chip id isn't for zl10353, try mt352 */
dvb->fe[0] = dvb_attach(mt352_attach,
&terratec_xs_mt352_cfg,
&dev->i2c_adap[dev->def_i2c_bus]);
}
if (em28xx_attach_xc3028(0x61, dev) < 0) {
result = -EINVAL;
goto out_free;
}
break;
case EM2870_BOARD_KWORLD_355U:
dvb->fe[0] = dvb_attach(zl10353_attach,
&em28xx_zl10353_no_i2c_gate_dev,
&dev->i2c_adap[dev->def_i2c_bus]);
if (dvb->fe[0] != NULL)
dvb_attach(qt1010_attach, dvb->fe[0],
&dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config);
break;
case EM2883_BOARD_KWORLD_HYBRID_330U:
case EM2882_BOARD_EVGA_INDTUBE:
dvb->fe[0] = dvb_attach(s5h1409_attach,
&em28xx_s5h1409_with_xc3028,
&dev->i2c_adap[dev->def_i2c_bus]);
if (em28xx_attach_xc3028(0x61, dev) < 0) {
result = -EINVAL;
goto out_free;
}
break;
case EM2882_BOARD_KWORLD_ATSC_315U:
dvb->fe[0] = dvb_attach(lgdt330x_attach,
&em2880_lgdt3303_dev,
&dev->i2c_adap[dev->def_i2c_bus]);
if (dvb->fe[0] != NULL) {
if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
&dev->i2c_adap[dev->def_i2c_bus], 0x61, TUNER_THOMSON_DTT761X)) {
result = -EINVAL;
goto out_free;
}
}
break;
case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
&dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev);
if (em28xx_attach_xc3028(0x61, dev) < 0) {
result = -EINVAL;
goto out_free;
}
break;
case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
/* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
dvb->fe[0] = dvb_attach(tda10023_attach,
&em28xx_tda10023_config,
&dev->i2c_adap[dev->def_i2c_bus], 0x48);
if (dvb->fe[0]) {
if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
&dev->i2c_adap[dev->def_i2c_bus], 0x60, TUNER_PHILIPS_CU1216L)) {
result = -EINVAL;
goto out_free;
}
}
break;
case EM2870_BOARD_KWORLD_A340:
dvb->fe[0] = dvb_attach(lgdt3305_attach,
&em2870_lgdt3304_dev,
&dev->i2c_adap[dev->def_i2c_bus]);
if (!dvb->fe[0]) {
result = -EINVAL;
goto out_free;
}
if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
&dev->i2c_adap[dev->def_i2c_bus],
&kworld_a340_config)) {
dvb_frontend_detach(dvb->fe[0]);
result = -EINVAL;
goto out_free;
}
break;
case EM28174_BOARD_PCTV_290E:
/* set default GPIO0 for LNA, used if GPIOLIB is undefined */
dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O |
CXD2820R_GPIO_L;
dvb->fe[0] = dvb_attach(cxd2820r_attach,
&em28xx_cxd2820r_config,
&dev->i2c_adap[dev->def_i2c_bus],
&dvb->lna_gpio);
if (dvb->fe[0]) {
/* FE 0 attach tuner */
if (!dvb_attach(tda18271_attach,
dvb->fe[0],
0x60,
&dev->i2c_adap[dev->def_i2c_bus],
&em28xx_cxd2820r_tda18271_config)) {
dvb_frontend_detach(dvb->fe[0]);
result = -EINVAL;
goto out_free;
}
#ifdef CONFIG_GPIOLIB
/* enable LNA for DVB-T, DVB-T2 and DVB-C */
result = gpio_request_one(dvb->lna_gpio,
GPIOF_OUT_INIT_LOW, NULL);
if (result)
em28xx_errdev("gpio request failed %d\n",
result);
else
gpio_free(dvb->lna_gpio);
result = 0; /* continue even set LNA fails */
#endif
dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna;
}
break;
case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
{
struct xc5000_config cfg;
hauppauge_hvr930c_init(dev);
dvb->fe[0] = dvb_attach(drxk_attach,
&hauppauge_930c_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
if (!dvb->fe[0]) {
result = -EINVAL;
goto out_free;
}
/* FIXME: do we need a pll semaphore? */
dvb->fe[0]->sec_priv = dvb;
sema_init(&dvb->pll_mutex, 1);
dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
/* Attach xc5000 */
memset(&cfg, 0, sizeof(cfg));
cfg.i2c_address = 0x61;
cfg.if_khz = 4000;
if (dvb->fe[0]->ops.i2c_gate_ctrl)
dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
&cfg)) {
result = -EINVAL;
goto out_free;
}
if (dvb->fe[0]->ops.i2c_gate_ctrl)
dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
break;
}
case EM2884_BOARD_TERRATEC_H5:
terratec_h5_init(dev);
dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
if (!dvb->fe[0]) {
result = -EINVAL;
goto out_free;
}
/* FIXME: do we need a pll semaphore? */
dvb->fe[0]->sec_priv = dvb;
sema_init(&dvb->pll_mutex, 1);
dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;
/* Attach tda18271 to DVB-C frontend */
if (dvb->fe[0]->ops.i2c_gate_ctrl)
dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 0x60)) {
result = -EINVAL;
goto out_free;
}
if (dvb->fe[0]->ops.i2c_gate_ctrl)
dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
break;
case EM2884_BOARD_C3TECH_DIGITAL_DUO:
dvb->fe[0] = dvb_attach(mb86a20s_attach,
&c3tech_duo_mb86a20s_config,
&dev->i2c_adap[dev->def_i2c_bus]);
if (dvb->fe[0] != NULL)
dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
&dev->i2c_adap[dev->def_i2c_bus],
&c3tech_duo_tda18271_config);
break;
case EM28174_BOARD_PCTV_460E:
/* attach demod */
dvb->fe[0] = dvb_attach(tda10071_attach,
&em28xx_tda10071_config, &dev->i2c_adap[dev->def_i2c_bus]);
/* attach SEC */
if (dvb->fe[0])
dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
&em28xx_a8293_config);
break;
case EM2874_BOARD_DELOCK_61959:
case EM2874_BOARD_MAXMEDIA_UB425_TC:
/* attach demodulator */
dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
&dev->i2c_adap[dev->def_i2c_bus]);
if (dvb->fe[0]) {
/* disable I2C-gate */
dvb->fe[0]->ops.i2c_gate_ctrl = NULL;
/* attach tuner */
if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
&dev->i2c_adap[dev->def_i2c_bus],
&em28xx_cxd2820r_tda18271_config)) {
dvb_frontend_detach(dvb->fe[0]);
result = -EINVAL;
goto out_free;
}
}
break;
case EM2884_BOARD_PCTV_510E:
case EM2884_BOARD_PCTV_520E:
pctv_520e_init(dev);
/* attach demodulator */
dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
&dev->i2c_adap[dev->def_i2c_bus]);
if (dvb->fe[0]) {
/* attach tuner */
if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
&dev->i2c_adap[dev->def_i2c_bus],
&em28xx_cxd2820r_tda18271_config)) {
dvb_frontend_detach(dvb->fe[0]);
result = -EINVAL;
goto out_free;
}
}
break;
case EM2884_BOARD_CINERGY_HTC_STICK:
terratec_htc_stick_init(dev);
/* attach demodulator */
dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
&dev->i2c_adap[dev->def_i2c_bus]);
if (!dvb->fe[0]) {
result = -EINVAL;
goto out_free;
}
/* Attach the demodulator. */
if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
&dev->i2c_adap[dev->def_i2c_bus],
&em28xx_cxd2820r_tda18271_config)) {
result = -EINVAL;
goto out_free;
}
break;
case EM2884_BOARD_TERRATEC_HTC_USB_XS:
terratec_htc_usb_xs_init(dev);
/* attach demodulator */
dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
&dev->i2c_adap[dev->def_i2c_bus]);
if (!dvb->fe[0]) {
result = -EINVAL;
goto out_free;
}
/* Attach the demodulator. */
if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
&dev->i2c_adap[dev->def_i2c_bus],
&em28xx_cxd2820r_tda18271_config)) {
result = -EINVAL;
goto out_free;
}
break;
case EM2874_BOARD_KWORLD_UB435Q_V2:
dvb->fe[0] = dvb_attach(lgdt3305_attach,
&em2874_lgdt3305_dev,
&dev->i2c_adap[dev->def_i2c_bus]);
if (!dvb->fe[0]) {
result = -EINVAL;
goto out_free;
}
/* Attach the demodulator. */
if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
&dev->i2c_adap[dev->def_i2c_bus],
&kworld_ub435q_v2_config)) {
result = -EINVAL;
goto out_free;
}
break;
case EM2874_BOARD_KWORLD_UB435Q_V3:
{
struct i2c_client *client;
struct i2c_adapter *adapter = &dev->i2c_adap[dev->def_i2c_bus];
struct i2c_board_info board_info = {
.type = "tda18212",
.addr = 0x60,
.platform_data = &kworld_ub435q_v3_config,
};
dvb->fe[0] = dvb_attach(lgdt3305_attach,
&em2874_lgdt3305_nogate_dev,
&dev->i2c_adap[dev->def_i2c_bus]);
if (!dvb->fe[0]) {
result = -EINVAL;
goto out_free;
}
/* attach tuner */
kworld_ub435q_v3_config.fe = dvb->fe[0];
request_module("tda18212");
client = i2c_new_device(adapter, &board_info);
if (client == NULL || client->dev.driver == NULL) {
dvb_frontend_detach(dvb->fe[0]);
result = -ENODEV;
goto out_free;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
dvb_frontend_detach(dvb->fe[0]);
result = -ENODEV;
goto out_free;
}
dvb->i2c_client_tuner = client;
break;
}
case EM2874_BOARD_PCTV_HD_MINI_80E:
dvb->fe[0] = dvb_attach(drx39xxj_attach, &dev->i2c_adap[dev->def_i2c_bus]);
if (dvb->fe[0] != NULL) {
dvb->fe[0] = dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
&dev->i2c_adap[dev->def_i2c_bus],
&pinnacle_80e_dvb_config);
if (!dvb->fe[0]) {
result = -EINVAL;
goto out_free;
}
}
break;
case EM28178_BOARD_PCTV_461E:
{
/* demod I2C adapter */
struct i2c_adapter *i2c_adapter;
struct i2c_client *client;
struct i2c_board_info info;
struct m88ts2022_config m88ts2022_config = {
.clock = 27000000,
};
memset(&info, 0, sizeof(struct i2c_board_info));
/* attach demod */
dvb->fe[0] = dvb_attach(m88ds3103_attach,
&pctv_461e_m88ds3103_config,
&dev->i2c_adap[dev->def_i2c_bus],
&i2c_adapter);
if (dvb->fe[0] == NULL) {
result = -ENODEV;
goto out_free;
}
/* attach tuner */
m88ts2022_config.fe = dvb->fe[0];
strlcpy(info.type, "m88ts2022", I2C_NAME_SIZE);
info.addr = 0x60;
info.platform_data = &m88ts2022_config;
request_module("m88ts2022");
client = i2c_new_device(i2c_adapter, &info);
if (client == NULL || client->dev.driver == NULL) {
dvb_frontend_detach(dvb->fe[0]);
result = -ENODEV;
goto out_free;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
dvb_frontend_detach(dvb->fe[0]);
result = -ENODEV;
goto out_free;
}
/* delegate signal strength measurement to tuner */
dvb->fe[0]->ops.read_signal_strength =
dvb->fe[0]->ops.tuner_ops.get_rf_strength;
/* attach SEC */
if (!dvb_attach(a8293_attach, dvb->fe[0],
&dev->i2c_adap[dev->def_i2c_bus],
&em28xx_a8293_config)) {
module_put(client->dev.driver->owner);
i2c_unregister_device(client);
dvb_frontend_detach(dvb->fe[0]);
result = -ENODEV;
goto out_free;
}
dvb->i2c_client_tuner = client;
}
break;
case EM28178_BOARD_PCTV_292E:
{
struct i2c_adapter *adapter;
struct i2c_client *client;
struct i2c_board_info info;
struct si2168_config si2168_config;
struct si2157_config si2157_config;
/* attach demod */
si2168_config.i2c_adapter = &adapter;
si2168_config.fe = &dvb->fe[0];
si2168_config.ts_mode = SI2168_TS_PARALLEL;
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 = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info);
if (client == NULL || client->dev.driver == NULL) {
result = -ENODEV;
goto out_free;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
result = -ENODEV;
goto out_free;
}
dvb->i2c_client_demod = client;
/* attach tuner */
memset(&si2157_config, 0, sizeof(si2157_config));
si2157_config.fe = dvb->fe[0];
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 = i2c_new_device(adapter, &info);
if (client == NULL || client->dev.driver == NULL) {
module_put(dvb->i2c_client_demod->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod);
result = -ENODEV;
goto out_free;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
module_put(dvb->i2c_client_demod->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod);
result = -ENODEV;
goto out_free;
}
dvb->i2c_client_tuner = client;
dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna;
}
break;
default:
em28xx_errdev("/2: The frontend of your DVB/ATSC card"
" isn't supported yet\n");
break;
}
if (NULL == dvb->fe[0]) {
em28xx_errdev("/2: frontend initialization failed\n");
result = -EINVAL;
goto out_free;
}
/* define general-purpose callback pointer */
dvb->fe[0]->callback = em28xx_tuner_callback;
if (dvb->fe[1])
dvb->fe[1]->callback = em28xx_tuner_callback;
/* register everything */
result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
if (result < 0)
goto out_free;
/* MFE lock */
dvb->adapter.mfe_shared = mfe_shared;
em28xx_info("DVB extension successfully initialized\n");
kref_get(&dev->ref);
ret:
em28xx_set_mode(dev, EM28XX_SUSPEND);
mutex_unlock(&dev->lock);
return result;
out_free:
kfree(dvb);
dev->dvb = NULL;
goto ret;
}
static inline void prevent_sleep(struct dvb_frontend_ops *ops)
{
ops->set_voltage = NULL;
ops->sleep = NULL;
ops->tuner_ops.sleep = NULL;
}
static int em28xx_dvb_fini(struct em28xx *dev)
{
struct em28xx_dvb *dvb;
struct i2c_client *client;
if (dev->is_audio_only) {
/* Shouldn't initialize IR for this interface */
return 0;
}
if (!dev->board.has_dvb) {
/* This device does not support the extension */
return 0;
}
if (!dev->dvb)
return 0;
em28xx_info("Closing DVB extension\n");
dvb = dev->dvb;
client = dvb->i2c_client_tuner;
em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE);
if (dev->disconnected) {
/* We cannot tell the device to sleep
* once it has been unplugged. */
if (dvb->fe[0]) {
prevent_sleep(&dvb->fe[0]->ops);
dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED;
}
if (dvb->fe[1]) {
prevent_sleep(&dvb->fe[1]->ops);
dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED;
}
}
/* remove I2C tuner */
if (client) {
module_put(client->dev.driver->owner);
i2c_unregister_device(client);
}
/* remove I2C demod */
client = dvb->i2c_client_demod;
if (client) {
module_put(client->dev.driver->owner);
i2c_unregister_device(client);
}
em28xx_unregister_dvb(dvb);
kfree(dvb);
dev->dvb = NULL;
kref_put(&dev->ref, em28xx_free_device);
return 0;
}
static int em28xx_dvb_suspend(struct em28xx *dev)
{
int ret = 0;
if (dev->is_audio_only)
return 0;
if (!dev->board.has_dvb)
return 0;
em28xx_info("Suspending DVB extension\n");
if (dev->dvb) {
struct em28xx_dvb *dvb = dev->dvb;
if (dvb->fe[0]) {
ret = dvb_frontend_suspend(dvb->fe[0]);
em28xx_info("fe0 suspend %d\n", ret);
}
if (dvb->fe[1]) {
dvb_frontend_suspend(dvb->fe[1]);
em28xx_info("fe1 suspend %d\n", ret);
}
}
return 0;
}