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media: cx231xx: Switch to using new dvb i2c helpers

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Mostly very straight forward replace of blocks with equivalent code.

Cleanup added at end of dvb_init in case of failure.

Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Brad Love 2018-05-03 17:20:11 -04:00 committed by Mauro Carvalho Chehab
parent 13a257f8d5
commit 136b769ef6
1 changed files with 78 additions and 252 deletions
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330
drivers/media/usb/cx231xx/cx231xx-dvb.c
View file

@ -617,23 +617,15 @@ static void unregister_dvb(struct cx231xx_dvb *dvb)
dvb_frontend_detach(dvb->frontend[1]);
dvb_frontend_detach(dvb->frontend[0]);
dvb_unregister_adapter(&dvb->adapter);
/* remove I2C tuner */
client = dvb->i2c_client_tuner;
if (client) {
module_put(client->dev.driver->owner);
i2c_unregister_device(client);
}
/* remove I2C demod */
client = dvb->i2c_client_demod[1];
if (client) {
module_put(client->dev.driver->owner);
i2c_unregister_device(client);
}
client = dvb->i2c_client_demod[0];
if (client) {
module_put(client->dev.driver->owner);
i2c_unregister_device(client);
}
dvb_module_release(dvb->i2c_client_tuner);
dvb->i2c_client_tuner = NULL;
/* remove I2C demod(s) */
dvb_module_release(dvb->i2c_client_demod[1]);
dvb->i2c_client_demod[1] = NULL;
dvb_module_release(dvb->i2c_client_demod[0]);
dvb->i2c_client_demod[0] = NULL;
}
static int dvb_init(struct cx231xx *dev)
@ -642,6 +634,8 @@ static int dvb_init(struct cx231xx *dev)
struct cx231xx_dvb *dvb;
struct i2c_adapter *tuner_i2c;
struct i2c_adapter *demod_i2c;
struct i2c_client *client;
struct i2c_adapter *adapter;
if (!dev->board.has_dvb) {
/* This device does not support the extension */
@ -789,8 +783,6 @@ static int dvb_init(struct cx231xx *dev)
case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx:
{
struct i2c_client *client;
struct i2c_board_info info;
struct si2165_platform_data si2165_pdata = {};
/* attach demod */
@ -798,25 +790,14 @@ static int dvb_init(struct cx231xx *dev)
si2165_pdata.chip_mode = SI2165_MODE_PLL_XTAL;
si2165_pdata.ref_freq_hz = 16000000;
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "si2165", I2C_NAME_SIZE);
info.addr = dev->board.demod_addr;
info.platform_data = &si2165_pdata;
request_module(info.type);
client = i2c_new_device(demod_i2c, &info);
if (!client || !client->dev.driver || !dev->dvb->frontend[0]) {
dev_err(dev->dev,
"Failed to attach SI2165 front end\n");
result = -EINVAL;
goto out_free;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
/* perform probe/init/attach */
client = dvb_module_probe("si2165", NULL, demod_i2c,
dev->board.demod_addr,
&si2165_pdata);
if (!client) {
result = -ENODEV;
goto out_free;
}
dvb->i2c_client_demod[0] = client;
dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
@ -833,8 +814,6 @@ static int dvb_init(struct cx231xx *dev)
}
case CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx:
{
struct i2c_client *client;
struct i2c_board_info info;
struct si2165_platform_data si2165_pdata = {};
struct si2157_config si2157_config = {};
@ -843,29 +822,16 @@ static int dvb_init(struct cx231xx *dev)
si2165_pdata.chip_mode = SI2165_MODE_PLL_EXT;
si2165_pdata.ref_freq_hz = 24000000;
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "si2165", I2C_NAME_SIZE);
info.addr = dev->board.demod_addr;
info.platform_data = &si2165_pdata;
request_module(info.type);
client = i2c_new_device(demod_i2c, &info);
if (!client || !client->dev.driver || !dev->dvb->frontend[0]) {
dev_err(dev->dev,
"Failed to attach SI2165 front end\n");
result = -EINVAL;
goto out_free;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
/* perform probe/init/attach */
client = dvb_module_probe("si2165", NULL, demod_i2c,
dev->board.demod_addr,
&si2165_pdata);
if (!client) {
result = -ENODEV;
goto out_free;
}
dvb->i2c_client_demod[0] = client;
memset(&info, 0, sizeof(struct i2c_board_info));
dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
/* define general-purpose callback pointer */
@ -878,27 +844,15 @@ static int dvb_init(struct cx231xx *dev)
#endif
si2157_config.if_port = 1;
si2157_config.inversion = true;
strlcpy(info.type, "si2157", I2C_NAME_SIZE);
info.addr = dev->board.tuner_addr;
info.platform_data = &si2157_config;
request_module("si2157");
client = i2c_new_device(
tuner_i2c,
&info);
if (client == NULL || client->dev.driver == NULL) {
dvb_frontend_detach(dev->dvb->frontend[0]);
/* perform probe/init/attach */
client = dvb_module_probe("si2157", NULL, tuner_i2c,
dev->board.tuner_addr,
&si2157_config);
if (!client) {
result = -ENODEV;
goto out_free;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
dvb_frontend_detach(dev->dvb->frontend[0]);
result = -ENODEV;
goto out_free;
}
dev->cx231xx_reset_analog_tuner = NULL;
dev->dvb->i2c_client_tuner = client;
@ -906,12 +860,8 @@ static int dvb_init(struct cx231xx *dev)
}
case CX231XX_BOARD_HAUPPAUGE_955Q:
{
struct i2c_client *client;
struct i2c_board_info info;
struct si2157_config si2157_config = {};
memset(&info, 0, sizeof(struct i2c_board_info));
dev->dvb->frontend[0] = dvb_attach(lgdt3306a_attach,
&hauppauge_955q_lgdt3306a_config,
demod_i2c
@ -936,27 +886,15 @@ static int dvb_init(struct cx231xx *dev)
#endif
si2157_config.if_port = 1;
si2157_config.inversion = true;
strlcpy(info.type, "si2157", I2C_NAME_SIZE);
info.addr = dev->board.tuner_addr;
info.platform_data = &si2157_config;
request_module("si2157");
client = i2c_new_device(
tuner_i2c,
&info);
if (client == NULL || client->dev.driver == NULL) {
dvb_frontend_detach(dev->dvb->frontend[0]);
/* perform probe/init/attach */
client = dvb_module_probe("si2157", NULL, tuner_i2c,
dev->board.tuner_addr,
&si2157_config);
if (!client) {
result = -ENODEV;
goto out_free;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
dvb_frontend_detach(dev->dvb->frontend[0]);
result = -ENODEV;
goto out_free;
}
dev->cx231xx_reset_analog_tuner = NULL;
dev->dvb->i2c_client_tuner = client;
@ -992,9 +930,6 @@ static int dvb_init(struct cx231xx *dev)
{
struct si2157_config si2157_config = {};
struct si2168_config si2168_config = {};
struct i2c_board_info info = {};
struct i2c_client *client;
struct i2c_adapter *adapter;
/* attach demodulator chip */
si2168_config.ts_mode = SI2168_TS_SERIAL; /* from *.inf file */
@ -1002,24 +937,14 @@ static int dvb_init(struct cx231xx *dev)
si2168_config.i2c_adapter = &adapter;
si2168_config.ts_clock_inv = true;
strlcpy(info.type, "si2168", sizeof(info.type));
info.addr = dev->board.demod_addr;
info.platform_data = &si2168_config;
request_module(info.type);
client = i2c_new_device(demod_i2c, &info);
if (client == NULL || client->dev.driver == NULL) {
/* perform probe/init/attach */
client = dvb_module_probe("si2168", NULL, demod_i2c,
dev->board.demod_addr,
&si2168_config);
if (!client) {
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[0] = client;
/* attach tuner chip */
@ -1030,37 +955,20 @@ static int dvb_init(struct cx231xx *dev)
si2157_config.if_port = 1;
si2157_config.inversion = false;
memset(&info, 0, sizeof(info));
strlcpy(info.type, "si2157", sizeof(info.type));
info.addr = dev->board.tuner_addr;
info.platform_data = &si2157_config;
request_module(info.type);
client = i2c_new_device(tuner_i2c, &info);
if (client == NULL || client->dev.driver == NULL) {
module_put(dvb->i2c_client_demod[0]->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod[0]);
/* perform probe/init/attach */
client = dvb_module_probe("si2157", NULL, tuner_i2c,
dev->board.tuner_addr,
&si2157_config);
if (!client) {
result = -ENODEV;
goto out_free;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
module_put(dvb->i2c_client_demod[0]->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod[0]);
result = -ENODEV;
goto out_free;
}
dev->cx231xx_reset_analog_tuner = NULL;
dev->dvb->i2c_client_tuner = client;
break;
}
case CX231XX_BOARD_ASTROMETA_T2HYBRID:
{
struct i2c_client *client;
struct i2c_board_info info = {};
struct mn88473_config mn88473_config = {};
/* attach demodulator chip */
@ -1068,24 +976,14 @@ static int dvb_init(struct cx231xx *dev)
mn88473_config.xtal = 25000000;
mn88473_config.fe = &dev->dvb->frontend[0];
strlcpy(info.type, "mn88473", sizeof(info.type));
info.addr = dev->board.demod_addr;
info.platform_data = &mn88473_config;
request_module(info.type);
client = i2c_new_device(demod_i2c, &info);
if (client == NULL || client->dev.driver == NULL) {
/* perform probe/init/attach */
client = dvb_module_probe("mn88473", NULL, demod_i2c,
dev->board.demod_addr,
&mn88473_config);
if (!client) {
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[0] = client;
/* define general-purpose callback pointer */
@ -1099,9 +997,6 @@ static int dvb_init(struct cx231xx *dev)
}
case CX231XX_BOARD_HAUPPAUGE_935C:
{
struct i2c_client *client;
struct i2c_adapter *adapter;
struct i2c_board_info info = {};
struct si2157_config si2157_config = {};
struct si2168_config si2168_config = {};
@ -1111,25 +1006,14 @@ static int dvb_init(struct cx231xx *dev)
si2168_config.i2c_adapter = &adapter;
si2168_config.ts_clock_inv = true;
strlcpy(info.type, "si2168", sizeof(info.type));
info.addr = dev->board.demod_addr;
info.platform_data = &si2168_config;
request_module(info.type);
client = i2c_new_device(demod_i2c, &info);
if (client == NULL || client->dev.driver == NULL) {
/* perform probe/init/attach */
client = dvb_module_probe("si2168", NULL, demod_i2c,
dev->board.demod_addr,
&si2168_config);
if (!client) {
result = -ENODEV;
goto out_free;
}
if (!try_module_get(client->dev.driver->owner)) {
dev_err(dev->dev,
"Failed to attach %s frontend.\n", info.type);
i2c_unregister_device(client);
result = -ENODEV;
goto out_free;
}
dvb->i2c_client_demod[0] = client;
dev->dvb->frontend[0]->ops.i2c_gate_ctrl = NULL;
@ -1144,40 +1028,21 @@ static int dvb_init(struct cx231xx *dev)
si2157_config.if_port = 1;
si2157_config.inversion = true;
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "si2157", I2C_NAME_SIZE);
info.addr = dev->board.tuner_addr;
info.platform_data = &si2157_config;
request_module("si2157");
client = i2c_new_device(tuner_i2c, &info);
if (client == NULL || client->dev.driver == NULL) {
module_put(dvb->i2c_client_demod[0]->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod[0]);
/* perform probe/init/attach */
client = dvb_module_probe("si2157", NULL, tuner_i2c,
dev->board.tuner_addr,
&si2157_config);
if (!client) {
result = -ENODEV;
goto out_free;
}
if (!try_module_get(client->dev.driver->owner)) {
dev_err(dev->dev,
"Failed to obtain %s tuner.\n", info.type);
i2c_unregister_device(client);
module_put(dvb->i2c_client_demod[0]->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod[0]);
result = -ENODEV;
goto out_free;
}
dev->cx231xx_reset_analog_tuner = NULL;
dev->dvb->i2c_client_tuner = client;
break;
}
case CX231XX_BOARD_HAUPPAUGE_975:
{
struct i2c_client *client;
struct i2c_adapter *adapter;
struct i2c_adapter *adapter2;
struct i2c_board_info info = {};
struct si2157_config si2157_config = {};
struct lgdt3306a_config lgdt3306a_config = {};
struct si2168_config si2168_config = {};
@ -1188,25 +1053,14 @@ static int dvb_init(struct cx231xx *dev)
lgdt3306a_config.i2c_adapter = &adapter;
lgdt3306a_config.deny_i2c_rptr = 0;
strlcpy(info.type, "lgdt3306a", sizeof(info.type));
info.addr = dev->board.demod_addr;
info.platform_data = &lgdt3306a_config;
request_module(info.type);
client = i2c_new_device(demod_i2c, &info);
if (client == NULL || client->dev.driver == NULL) {
/* perform probe/init/attach */
client = dvb_module_probe("lgdt3306a", NULL, demod_i2c,
dev->board.demod_addr,
&lgdt3306a_config);
if (!client) {
result = -ENODEV;
goto out_free;
}
if (!try_module_get(client->dev.driver->owner)) {
dev_err(dev->dev,
"Failed to attach %s frontend.\n", info.type);
i2c_unregister_device(client);
result = -ENODEV;
goto out_free;
}
dvb->i2c_client_demod[0] = client;
/* attach second demodulator chip */
@ -1215,30 +1069,14 @@ static int dvb_init(struct cx231xx *dev)
si2168_config.i2c_adapter = &adapter2;
si2168_config.ts_clock_inv = true;
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "si2168", sizeof(info.type));
info.addr = dev->board.demod_addr2;
info.platform_data = &si2168_config;
request_module(info.type);
client = i2c_new_device(adapter, &info);
if (client == NULL || client->dev.driver == NULL) {
dev_err(dev->dev,
"Failed to attach %s frontend.\n", info.type);
module_put(dvb->i2c_client_demod[0]->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod[0]);
/* perform probe/init/attach */
client = dvb_module_probe("si2168", NULL, adapter,
dev->board.demod_addr2,
&si2168_config);
if (!client) {
result = -ENODEV;
goto out_free;
}
if (!try_module_get(client->dev.driver->owner)) {
i2c_unregister_device(client);
module_put(dvb->i2c_client_demod[0]->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod[0]);
result = -ENODEV;
goto out_free;
}
dvb->i2c_client_demod[1] = client;
dvb->frontend[1]->id = 1;
@ -1254,34 +1092,14 @@ static int dvb_init(struct cx231xx *dev)
si2157_config.if_port = 1;
si2157_config.inversion = true;
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "si2157", I2C_NAME_SIZE);
info.addr = dev->board.tuner_addr;
info.platform_data = &si2157_config;
request_module("si2157");
client = i2c_new_device(adapter, &info);
if (client == NULL || client->dev.driver == NULL) {
module_put(dvb->i2c_client_demod[1]->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod[1]);
module_put(dvb->i2c_client_demod[0]->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod[0]);
/* perform probe/init/attach */
client = dvb_module_probe("si2157", NULL, adapter,
dev->board.tuner_addr,
&si2157_config);
if (!client) {
result = -ENODEV;
goto out_free;
}
if (!try_module_get(client->dev.driver->owner)) {
dev_err(dev->dev,
"Failed to obtain %s tuner.\n", info.type);
i2c_unregister_device(client);
module_put(dvb->i2c_client_demod[1]->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod[1]);
module_put(dvb->i2c_client_demod[0]->dev.driver->owner);
i2c_unregister_device(dvb->i2c_client_demod[0]);
result = -ENODEV;
goto out_free;
}
dev->cx231xx_reset_analog_tuner = NULL;
dvb->i2c_client_tuner = client;
@ -1320,6 +1138,14 @@ ret:
return result;
out_free:
/* remove I2C tuner */
dvb_module_release(dvb->i2c_client_tuner);
dvb->i2c_client_tuner = NULL;
/* remove I2C demod(s) */
dvb_module_release(dvb->i2c_client_demod[1]);
dvb->i2c_client_demod[1] = NULL;
dvb_module_release(dvb->i2c_client_demod[0]);
dvb->i2c_client_demod[0] = NULL;
kfree(dvb);
dev->dvb = NULL;
goto ret;