本文整理汇总了C++中i2c_new_dummy函数的典型用法代码示例。如果您正苦于以下问题：C++ i2c_new_dummy函数的具体用法？C++ i2c_new_dummy怎么用？C++ i2c_new_dummy使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了i2c_new_dummy函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: max8925_probe
static int __devinit max8925_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct max8925_platform_data *pdata = client->dev.platform_data;
static struct max8925_chip *chip;
if (!pdata) {
pr_info("%s: platform data is missing\n", __func__);
return -EINVAL;
}
chip = kzalloc(sizeof(struct max8925_chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
chip->i2c = client;
chip->dev = &client->dev;
i2c_set_clientdata(client, chip);
dev_set_drvdata(chip->dev, chip);
mutex_init(&chip->io_lock);
chip->rtc = i2c_new_dummy(chip->i2c->adapter, RTC_I2C_ADDR);
i2c_set_clientdata(chip->rtc, chip);
chip->adc = i2c_new_dummy(chip->i2c->adapter, ADC_I2C_ADDR);
i2c_set_clientdata(chip->adc, chip);
max8925_device_init(chip, pdata);
return 0;
}
开发者ID:CSCLOG，项目名称:beaglebone，代码行数:30，代码来源:max8925-i2c.c
示例2: pm800_pages_init
static int pm800_pages_init(struct pm80x_chip *chip)
{
struct pm80x_subchip *subchip;
struct i2c_client *client = chip->client;
subchip = chip->subchip;
/* PM800 block power: i2c addr 0x31 */
if (subchip->power_page_addr) {
subchip->power_page =
i2c_new_dummy(client->adapter, subchip->power_page_addr);
subchip->regmap_power =
devm_regmap_init_i2c(subchip->power_page,
&pm80x_regmap_config);
i2c_set_clientdata(subchip->power_page, chip);
} else
dev_info(chip->dev,
"PM800 block power 0x31: No power_page_addr\n");
/* PM800 block GPADC: i2c addr 0x32 */
if (subchip->gpadc_page_addr) {
subchip->gpadc_page = i2c_new_dummy(client->adapter,
subchip->gpadc_page_addr);
subchip->regmap_gpadc =
devm_regmap_init_i2c(subchip->gpadc_page,
&pm80x_regmap_config);
i2c_set_clientdata(subchip->gpadc_page, chip);
} else
dev_info(chip->dev,
"PM800 block GPADC 0x32: No gpadc_page_addr\n");
return 0;
}
开发者ID:AmesianX，项目名称:netlink-mmap，代码行数:32，代码来源:88pm800.c
示例3: max8997_i2c_probe
static int max8997_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct max8997_dev *max8997;
struct max8997_platform_data *pdata = i2c->dev.platform_data;
int ret = 0;
max8997 = kzalloc(sizeof(struct max8997_dev), GFP_KERNEL);
if (max8997 == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, max8997);
max8997->dev = &i2c->dev;
max8997->i2c = i2c;
max8997->type = id->driver_data;
max8997->irq = i2c->irq;
if (!pdata)
goto err;
max8997->irq_base = pdata->irq_base;
max8997->ono = pdata->ono;
max8997->wakeup = pdata->wakeup;
mutex_init(&max8997->iolock);
max8997->rtc = i2c_new_dummy(i2c->adapter, I2C_ADDR_RTC);
i2c_set_clientdata(max8997->rtc, max8997);
max8997->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
i2c_set_clientdata(max8997->haptic, max8997);
max8997->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
i2c_set_clientdata(max8997->muic, max8997);
pm_runtime_set_active(max8997->dev);
max8997_irq_init(max8997);
mfd_add_devices(max8997->dev, -1, max8997_devs,
ARRAY_SIZE(max8997_devs),
NULL, 0);
/*
* TODO: enable others (flash, muic, rtc, battery, ...) and
* check the return value
*/
if (ret < 0)
goto err_mfd;
return ret;
err_mfd:
mfd_remove_devices(max8997->dev);
i2c_unregister_device(max8997->muic);
i2c_unregister_device(max8997->haptic);
i2c_unregister_device(max8997->rtc);
err:
kfree(max8997);
return ret;
}
开发者ID:303750856，项目名称:linux-3.1，代码行数:60，代码来源:max8997.c
示例4: sfe4001_init
/* This board uses an I2C expander to provider power to the PHY, which needs to
* be turned on before the PHY can be used.
* Context: Process context, rtnl lock held
*/
static int sfe4001_init(struct efx_nic *efx)
{
struct falcon_board *board = falcon_board(efx);
int rc;
#if defined(CONFIG_SENSORS_LM90) || defined(CONFIG_SENSORS_LM90_MODULE)
board->hwmon_client =
i2c_new_device(&board->i2c_adap, &sfe4001_hwmon_info);
#else
board->hwmon_client =
i2c_new_dummy(&board->i2c_adap, sfe4001_hwmon_info.addr);
#endif
if (!board->hwmon_client)
return -EIO;
/* Raise board/PHY high limit from 85 to 90 degrees Celsius */
rc = i2c_smbus_write_byte_data(board->hwmon_client,
MAX664X_REG_WLHO, 90);
if (rc)
goto fail_hwmon;
board->ioexp_client = i2c_new_dummy(&board->i2c_adap, PCA9539);
if (!board->ioexp_client) {
rc = -EIO;
goto fail_hwmon;
}
if (efx->phy_mode & PHY_MODE_SPECIAL) {
/* PHY won't generate a 156.25 MHz clock and MAC stats fetch
* will fail. */
falcon_stop_nic_stats(efx);
}
rc = sfe4001_poweron(efx);
if (rc)
goto fail_ioexp;
rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg);
if (rc)
goto fail_on;
EFX_INFO(efx, "PHY is powered on\n");
return 0;
fail_on:
sfe4001_poweroff(efx);
fail_ioexp:
i2c_unregister_device(board->ioexp_client);
fail_hwmon:
i2c_unregister_device(board->hwmon_client);
return rc;
}
开发者ID:A2109devs，项目名称:lenovo_a2109a_kernel，代码行数:55，代码来源:falcon_boards.c
示例5: max77843_chg_init
/* Charger and Charger regulator use same regmap. */
static int max77843_chg_init(struct max77843 *max77843)
{
int ret;
max77843->i2c_chg = i2c_new_dummy(max77843->i2c->adapter, I2C_ADDR_CHG);
if (!max77843->i2c_chg) {
dev_err(&max77843->i2c->dev,
"Cannot allocate I2C device for Charger\n");
return PTR_ERR(max77843->i2c_chg);
}
i2c_set_clientdata(max77843->i2c_chg, max77843);
max77843->regmap_chg = devm_regmap_init_i2c(max77843->i2c_chg,
&max77843_charger_regmap_config);
if (IS_ERR(max77843->regmap_chg)) {
ret = PTR_ERR(max77843->regmap_chg);
goto err_chg_i2c;
}
return 0;
err_chg_i2c:
i2c_unregister_device(max77843->i2c_chg);
return ret;
}
开发者ID:19Dan01，项目名称:linux，代码行数:27，代码来源:max77843.c
示例6: max77686_i2c_probe
static int max77686_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct max77686_dev *max77686 = NULL;
struct max77686_platform_data *pdata = dev_get_platdata(&i2c->dev);
unsigned int data;
int ret = 0;
if (i2c->dev.of_node)
pdata = max77686_i2c_parse_dt_pdata(&i2c->dev);
if (!pdata) {
dev_err(&i2c->dev, "No platform data found.\n");
return -EIO;
}
max77686 = devm_kzalloc(&i2c->dev,
sizeof(struct max77686_dev), GFP_KERNEL);
if (max77686 == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, max77686);
max77686->dev = &i2c->dev;
max77686->i2c = i2c;
max77686->type = id->driver_data;
max77686->wakeup = pdata->wakeup;
max77686->irq_gpio = pdata->irq_gpio;
max77686->irq = i2c->irq;
max77686->regmap = devm_regmap_init_i2c(i2c, &max77686_regmap_config);
if (IS_ERR(max77686->regmap)) {
ret = PTR_ERR(max77686->regmap);
dev_err(max77686->dev, "Failed to allocate register map: %d\n",
ret);
return ret;
}
if (regmap_read(max77686->regmap,
MAX77686_REG_DEVICE_ID, &data) < 0) {
dev_err(max77686->dev,
"device not found on this channel (this is not an error)\n");
return -ENODEV;
} else
dev_info(max77686->dev, "device found\n");
max77686->rtc = i2c_new_dummy(i2c->adapter, I2C_ADDR_RTC);
i2c_set_clientdata(max77686->rtc, max77686);
max77686_irq_init(max77686);
ret = mfd_add_devices(max77686->dev, -1, max77686_devs,
ARRAY_SIZE(max77686_devs), NULL, 0, NULL);
if (ret < 0) {
mfd_remove_devices(max77686->dev);
i2c_unregister_device(max77686->rtc);
}
return ret;
}
开发者ID:BozkurTR，项目名称:kernel，代码行数:60，代码来源:max77686.c
示例7: max8998_i2c_probe
static int max8998_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct max8998_platform_data *pdata = i2c->dev.platform_data;
struct max8998_dev *max8998;
int ret = 0;
max8998 = kzalloc(sizeof(struct max8998_dev), GFP_KERNEL);
if (max8998 == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, max8998);
max8998->dev = &i2c->dev;
max8998->i2c = i2c;
max8998->irq = i2c->irq;
max8998->type = id->driver_data;
if (pdata) {
max8998->ono = pdata->ono;
max8998->irq_base = pdata->irq_base;
max8998->wakeup = pdata->wakeup;
}
mutex_init(&max8998->iolock);
max8998->rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR);
i2c_set_clientdata(max8998->rtc, max8998);
max8998_irq_init(max8998);
pm_runtime_set_active(max8998->dev);
switch (id->driver_data) {
case TYPE_LP3974:
ret = mfd_add_devices(max8998->dev, -1,
lp3974_devs, ARRAY_SIZE(lp3974_devs),
NULL, 0);
break;
case TYPE_MAX8998:
ret = mfd_add_devices(max8998->dev, -1,
max8998_devs, ARRAY_SIZE(max8998_devs),
NULL, 0);
break;
default:
ret = -EINVAL;
}
if (ret < 0)
goto err;
return ret;
err:
mfd_remove_devices(max8998->dev);
max8998_irq_exit(max8998);
i2c_unregister_device(max8998->rtc);
kfree(max8998);
return ret;
}
开发者ID:119-org，项目名称:hi3518-osdrv，代码行数:57，代码来源:max8998.c
示例8: s5m87xx_i2c_probe
static int s5m87xx_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct s5m_platform_data *pdata = i2c->dev.platform_data;
struct s5m87xx_dev *s5m87xx;
int ret = 0;
if (!pdata)
return -EINVAL;
s5m87xx = kzalloc(sizeof(struct s5m87xx_dev), GFP_KERNEL);
if (s5m87xx == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, s5m87xx);
s5m87xx->dev = &i2c->dev;
s5m87xx->i2c = i2c;
s5m87xx->irq = gpio_to_irq(pdata->irq_gpio);
s5m87xx->type = id->driver_data;
if (pdata) {
s5m87xx->device_type = pdata->device_type;
s5m87xx->ono = pdata->ono;
s5m87xx->irq_base = pdata->irq_base;
s5m87xx->wakeup = pdata->wakeup;
}
mutex_init(&s5m87xx->iolock);
s5m87xx->rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR);
i2c_set_clientdata(s5m87xx->rtc, s5m87xx);
if (pdata && pdata->cfg_pmic_irq)
pdata->cfg_pmic_irq();
s5m_irq_init(s5m87xx);
pm_runtime_set_active(s5m87xx->dev);
ret = mfd_add_devices(s5m87xx->dev, -1,
s5m87xx_devs, ARRAY_SIZE(s5m87xx_devs),
NULL, 0);
if (ret < 0)
goto err;
dev_info(s5m87xx->dev ,"S5M87xx MFD probe done!!! \n");
return ret;
err:
mfd_remove_devices(s5m87xx->dev);
s5m_irq_exit(s5m87xx);
i2c_unregister_device(s5m87xx->rtc);
kfree(s5m87xx);
return ret;
}
开发者ID:DerTeufel，项目名称:SGS3-Sourcedrops，代码行数:56，代码来源:s5m-core.c
示例9: pm860x_probe
static int __devinit pm860x_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct pm860x_platform_data *pdata = client->dev.platform_data;
struct pm860x_chip *chip;
int ret;
if (!pdata) {
pr_info("No platform data in %s!\n", __func__);
return -EINVAL;
}
chip = kzalloc(sizeof(struct pm860x_chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
chip->id = verify_addr(client);
chip->regmap = regmap_init_i2c(client, &pm860x_regmap_config);
if (IS_ERR(chip->regmap)) {
ret = PTR_ERR(chip->regmap);
dev_err(&client->dev, "Failed to allocate register map: %d\n",
ret);
kfree(chip);
return ret;
}
chip->client = client;
i2c_set_clientdata(client, chip);
chip->dev = &client->dev;
dev_set_drvdata(chip->dev, chip);
/*
* Both client and companion client shares same platform driver.
* Driver distinguishes them by pdata->companion_addr.
* pdata->companion_addr is only assigned if companion chip exists.
* At the same time, the companion_addr shouldn't equal to client
* address.
*/
if (pdata->companion_addr && (pdata->companion_addr != client->addr)) {
chip->companion_addr = pdata->companion_addr;
chip->companion = i2c_new_dummy(chip->client->adapter,
chip->companion_addr);
chip->regmap_companion = regmap_init_i2c(chip->companion,
&pm860x_regmap_config);
if (IS_ERR(chip->regmap_companion)) {
ret = PTR_ERR(chip->regmap_companion);
dev_err(&chip->companion->dev,
"Failed to allocate register map: %d\n", ret);
return ret;
}
i2c_set_clientdata(chip->companion, chip);
}
pm860x_device_init(chip, pdata);
return 0;
}
开发者ID:33d，项目名称:linux-2.6.21-hh20，代码行数:55，代码来源:88pm860x-i2c.c
示例10: bcm590xx_i2c_probe
static int bcm590xx_i2c_probe(struct i2c_client *i2c_pri,
const struct i2c_device_id *id)
{
struct bcm590xx *bcm590xx;
int ret;
bcm590xx = devm_kzalloc(&i2c_pri->dev, sizeof(*bcm590xx), GFP_KERNEL);
if (!bcm590xx)
return -ENOMEM;
i2c_set_clientdata(i2c_pri, bcm590xx);
bcm590xx->dev = &i2c_pri->dev;
bcm590xx->i2c_pri = i2c_pri;
bcm590xx->regmap_pri = devm_regmap_init_i2c(i2c_pri,
&bcm590xx_regmap_config_pri);
if (IS_ERR(bcm590xx->regmap_pri)) {
ret = PTR_ERR(bcm590xx->regmap_pri);
dev_err(&i2c_pri->dev, "primary regmap init failed: %d\n", ret);
return ret;
}
/* Secondary I2C slave address is the base address with A(2) asserted */
bcm590xx->i2c_sec = i2c_new_dummy(i2c_pri->adapter,
i2c_pri->addr | BIT(2));
if (IS_ERR_OR_NULL(bcm590xx->i2c_sec)) {
dev_err(&i2c_pri->dev, "failed to add secondary I2C device\n");
return -ENODEV;
}
i2c_set_clientdata(bcm590xx->i2c_sec, bcm590xx);
bcm590xx->regmap_sec = devm_regmap_init_i2c(bcm590xx->i2c_sec,
&bcm590xx_regmap_config_sec);
if (IS_ERR(bcm590xx->regmap_sec)) {
ret = PTR_ERR(bcm590xx->regmap_sec);
dev_err(&bcm590xx->i2c_sec->dev,
"secondary regmap init failed: %d\n", ret);
goto err;
}
ret = mfd_add_devices(&i2c_pri->dev, -1, bcm590xx_devs,
ARRAY_SIZE(bcm590xx_devs), NULL, 0, NULL);
if (ret < 0) {
dev_err(&i2c_pri->dev, "failed to add sub-devices: %d\n", ret);
goto err;
}
return 0;
err:
i2c_unregister_device(bcm590xx->i2c_sec);
return ret;
}
开发者ID:raoy1990，项目名称:linux，代码行数:53，代码来源:bcm590xx.c
示例11: si_8348_init
int si_8348_init(void)
{
struct i2c_client *client;
int idx;
int ret = -EFAULT;
pr_info("%s driver starting!!\n", MHL_DRIVER_NAME);
#if 0
/* "Hotplug" the MHL transmitter device onto the 2nd I2C bus */
i2c_bus_adapter = i2c_get_adapter(HDMI_I2C_CHANNEL);
if (i2c_bus_adapter == NULL) {
pr_err("%s() failed to get i2c adapter\n", __func__);
goto done;
}
for (idx = 0; idx < ARRAY_SIZE(device_addresses); idx++) {
if (idx == 0) {
client = i2c_new_device(i2c_bus_adapter, &si_8348_i2c_boardinfo[idx]);
device_addresses[idx].client = client;
} else {
device_addresses[idx].client = i2c_new_dummy(i2c_bus_adapter,
device_addresses[idx].
dev_addr);
}
/* TODO: FD, TBC, device_addresses should be initialized with care... */
if (device_addresses[idx].client == NULL) {
pr_err("[ERROR] %s():%d failed !\n", __func__, __LINE__);
goto err_exit;
}
}
ret = i2c_add_driver(&si_8348_mhl_tx_i2c_driver);
if (ret < 0) {
pr_info("[ERROR] %s():%d failed !\n", __func__, __LINE__);
goto err_exit;
}
goto done;
err_exit:
/*
for (idx = 0; idx < ARRAY_SIZE(device_addresses); idx++) {
if (device_addresses[idx].client != NULL)
i2c_unregister_device(device_addresses[idx].client);
}
*/
done:
MHL_TX_DBG_INFO(dev_context, "returning %d\n", ret);
#endif
return ret;
}
开发者ID:Swapnil133609，项目名称:Zeus_exp，代码行数:52，代码来源:platform.c
示例12: max8907c_i2c_probe
static int max8907c_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct max8907c *max8907c;
struct max8907c_platform_data *pdata = i2c->dev.platform_data;
int ret;
int i;
max8907c = kzalloc(sizeof(struct max8907c), GFP_KERNEL);
if (max8907c == NULL)
return -ENOMEM;
max8907c->dev = &i2c->dev;
dev_set_drvdata(max8907c->dev, max8907c);
max8907c->i2c_power = i2c;
i2c_set_clientdata(i2c, max8907c);
max8907c->i2c_rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR);
i2c_set_clientdata(max8907c->i2c_rtc, max8907c);
mutex_init(&max8907c->io_lock);
for (i = 0; i < ARRAY_SIZE(cells); i++) {
cells[i].platform_data = max8907c;
cells[i].pdata_size = sizeof(*max8907c);
}
ret = mfd_add_devices(max8907c->dev, -1, cells, ARRAY_SIZE(cells),
NULL, 0);
if (ret != 0) {
i2c_unregister_device(max8907c->i2c_rtc);
kfree(max8907c);
pr_debug("max8907c: failed to add MFD devices %X\n", ret);
return ret;
}
max8907c_client = i2c;
max8907c_irq_init(max8907c, i2c->irq, pdata->irq_base);
ret = max8097c_add_subdevs(max8907c, pdata);
if (pdata->use_power_off && !pm_power_off)
pm_power_off = max8907c_power_off;
if (pdata->max8907c_setup)
return pdata->max8907c_setup();
return ret;
}
开发者ID:AndroidDeveloperAlliance，项目名称:ZenKernel_Grouper，代码行数:50，代码来源:max8907c.c
示例13: pm860x_probe
static int __devinit pm860x_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct pm860x_platform_data *pdata = client->dev.platform_data;
struct pm860x_chip *chip;
if (!pdata) {
pr_info("No platform data in %s!\n", __func__);
return -EINVAL;
}
chip = kzalloc(sizeof(struct pm860x_chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
chip->id = verify_addr(client);
chip->client = client;
i2c_set_clientdata(client, chip);
chip->dev = &client->dev;
mutex_init(&chip->io_lock);
dev_set_drvdata(chip->dev, chip);
/*
* Both client and companion client shares same platform driver.
* Driver distinguishes them by pdata->companion_addr.
* pdata->companion_addr is only assigned if companion chip exists.
* At the same time, the companion_addr shouldn't equal to client
* address.
*/
if (pdata->companion_addr && (pdata->companion_addr != client->addr)) {
chip->companion_addr = pdata->companion_addr;
chip->companion = i2c_new_dummy(chip->client->adapter,
chip->companion_addr);
i2c_set_clientdata(chip->companion, chip);
}
pm860x_device_init(chip, pdata);
return 0;
}
开发者ID:KaZoom，项目名称:buildroot-linux-kernel-m3，代码行数:39，代码来源:88pm860x-i2c.c
示例14: max77693_i2c_probe
static int max77693_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct max77693_dev *max77693;
unsigned int reg_data;
int ret = 0;
max77693 = devm_kzalloc(&i2c->dev,
sizeof(struct max77693_dev), GFP_KERNEL);
if (max77693 == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, max77693);
max77693->dev = &i2c->dev;
max77693->i2c = i2c;
max77693->irq = i2c->irq;
max77693->type = id->driver_data;
max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config);
if (IS_ERR(max77693->regmap)) {
ret = PTR_ERR(max77693->regmap);
dev_err(max77693->dev, "failed to allocate register map: %d\n",
ret);
return ret;
}
ret = regmap_read(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2,
®_data);
if (ret < 0) {
dev_err(max77693->dev, "device not found on this channel\n");
return ret;
} else
dev_info(max77693->dev, "device ID: 0x%x\n", reg_data);
max77693->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
if (!max77693->muic) {
dev_err(max77693->dev, "Failed to allocate I2C device for MUIC\n");
return -ENODEV;
}
i2c_set_clientdata(max77693->muic, max77693);
max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
if (!max77693->haptic) {
dev_err(max77693->dev, "Failed to allocate I2C device for Haptic\n");
ret = -ENODEV;
goto err_i2c_haptic;
}
i2c_set_clientdata(max77693->haptic, max77693);
max77693->regmap_haptic = devm_regmap_init_i2c(max77693->haptic,
&max77693_regmap_haptic_config);
if (IS_ERR(max77693->regmap_haptic)) {
ret = PTR_ERR(max77693->regmap_haptic);
dev_err(max77693->dev,
"failed to initialize haptic register map: %d\n", ret);
goto err_regmap;
}
/*
* Initialize register map for MUIC device because use regmap-muic
* instance of MUIC device when irq of max77693 is initialized
* before call max77693-muic probe() function.
*/
max77693->regmap_muic = devm_regmap_init_i2c(max77693->muic,
&max77693_regmap_muic_config);
if (IS_ERR(max77693->regmap_muic)) {
ret = PTR_ERR(max77693->regmap_muic);
dev_err(max77693->dev,
"failed to allocate register map: %d\n", ret);
goto err_regmap;
}
ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
IRQF_ONESHOT | IRQF_SHARED |
IRQF_TRIGGER_FALLING, 0,
&max77693_led_irq_chip,
&max77693->irq_data_led);
if (ret) {
dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
goto err_regmap;
}
ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
IRQF_ONESHOT | IRQF_SHARED |
IRQF_TRIGGER_FALLING, 0,
&max77693_topsys_irq_chip,
&max77693->irq_data_topsys);
if (ret) {
dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
goto err_irq_topsys;
}
ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
IRQF_ONESHOT | IRQF_SHARED |
IRQF_TRIGGER_FALLING, 0,
&max77693_charger_irq_chip,
&max77693->irq_data_charger);
if (ret) {
dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
goto err_irq_charger;
//.........这里部分代码省略.........
开发者ID:383530895，项目名称:linux，代码行数:101，代码来源:max77693.c
示例15: bcmpmu_i2c_probe
static int bcmpmu_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct bcmpmu *bcmpmu;
int ret = 0;
struct bcmpmu_platform_data *pdata;
struct i2c_client *clt;
struct i2c_adapter *adp;
struct bcmpmu_i2c *bcmpmu_i2c;
pdata = (struct bcmpmu_platform_data *)i2c->dev.platform_data;
if(pdata == NULL){
printk(KERN_INFO "%s: invalid platform_data. \n", __func__);
return -ENODEV;
}
printk(KERN_INFO "%s called\n", __func__);
bcmpmu = kzalloc(sizeof(struct bcmpmu), GFP_KERNEL);
if (bcmpmu == NULL) {
printk(KERN_ERR "%s: failed to alloc mem.\n", __func__);
kfree(i2c);
ret = -ENOMEM;
goto err;
}
bcmpmu_i2c = kzalloc(sizeof(struct bcmpmu_i2c), GFP_KERNEL);
if (bcmpmu_i2c == NULL) {
printk(KERN_ERR "%s: failed to alloc mem.\n", __func__);
ret = -ENOMEM;
goto err1;
}
i2c_set_clientdata(i2c, bcmpmu);
bcmpmu->dev = &i2c->dev;
bcmpmu_i2c->i2c_client = i2c;
adp = i2c_get_adapter(pdata->i2c_adapter_id);
clt = i2c_new_dummy(adp, pdata->i2c_board_info_map1->addr);
if (!clt) {
printk(KERN_ERR "%s: add new device for map1 failed\n", __func__);
ret = -ENOMEM;
goto err2;
}
clt->dev.platform_data = pdata;
bcmpmu_i2c->i2c_client1 = clt;
mutex_init(&bcmpmu_i2c->i2c_mutex);
#ifdef CONFIG_HAS_WAKELOCK
wake_lock_init(&bcmpmu_i2c->i2c_lock, WAKE_LOCK_SUSPEND,
"bcmpmu_i2c");
bcmpmu_i2c->ref_count = 0;
#endif
#if defined(CONFIG_MFD_BCM_PWRMGR_SW_SEQUENCER)
bcmpmu->read_dev = bcmpmu_i2c_pwrmgr_read;
bcmpmu->write_dev = bcmpmu_i2c_pwrmgr_write;
bcmpmu->read_dev_drct = bcmpmu_i2c_pwrmgr_read_direct;
bcmpmu->write_dev_drct = bcmpmu_i2c_pwrmgr_write_direct;
bcmpmu->read_dev_bulk = bcmpmu_i2c_pwrmgr_read_direct_bulk;
bcmpmu->write_dev_bulk = bcmpmu_i2c_pwrmgr_write_direct_bulk;
pr_info("%s:PWRMGR I2C Sequencer\n", __func__);
#else
bcmpmu->read_dev = bcmpmu_i2c_read_device;
bcmpmu->write_dev = bcmpmu_i2c_write_device;
bcmpmu->read_dev_drct = bcmpmu_i2c_read_device_direct;
bcmpmu->write_dev_drct = bcmpmu_i2c_write_device_direct;
bcmpmu->read_dev_bulk = bcmpmu_i2c_read_device_direct_bulk;
bcmpmu->write_dev_bulk = bcmpmu_i2c_write_device_direct_bulk;
#endif
bcmpmu->pdata = pdata;
bcmpmu_i2c->pagesize = pdata->i2c_pagesize;
bcmpmu->accinfo = bcmpmu_i2c;
bcmpmu_core_device.dev.platform_data = bcmpmu;
platform_device_register(&bcmpmu_core_device);
return ret;
err2:
kfree(bcmpmu_i2c);
err1:
kfree(bcmpmu);
err:
return ret;
}
开发者ID:emreharbutoglu，项目名称:i9105Sammy，代码行数:87，代码来源:bcmpmu-i2c.c
示例16: palmas_i2c_probe
static int palmas_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct palmas *palmas;
struct palmas_platform_data *pdata;
struct device_node *node = i2c->dev.of_node;
int ret = 0, i;
unsigned int reg, addr;
int slave;
struct mfd_cell *children;
pdata = dev_get_platdata(&i2c->dev);
if (node && !pdata) {
pdata = devm_kzalloc(&i2c->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
palmas_dt_to_pdata(node, pdata);
}
if (!pdata)
return -EINVAL;
palmas = devm_kzalloc(&i2c->dev, sizeof(struct palmas), GFP_KERNEL);
if (palmas == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, palmas);
palmas->dev = &i2c->dev;
palmas->id = id->driver_data;
palmas->irq = i2c->irq;
for (i = 0; i < PALMAS_NUM_CLIENTS; i++) {
if (i == 0)
palmas->i2c_clients[i] = i2c;
else {
palmas->i2c_clients[i] =
i2c_new_dummy(i2c->adapter,
i2c->addr + i);
if (!palmas->i2c_clients[i]) {
dev_err(palmas->dev,
"can't attach client %d\n", i);
ret = -ENOMEM;
goto err;
}
}
palmas->regmap[i] = devm_regmap_init_i2c(palmas->i2c_clients[i],
&palmas_regmap_config[i]);
if (IS_ERR(palmas->regmap[i])) {
ret = PTR_ERR(palmas->regmap[i]);
dev_err(palmas->dev,
"Failed to allocate regmap %d, err: %d\n",
i, ret);
goto err;
}
}
/* Change IRQ into clear on read mode for efficiency */
slave = PALMAS_BASE_TO_SLAVE(PALMAS_INTERRUPT_BASE);
addr = PALMAS_BASE_TO_REG(PALMAS_INTERRUPT_BASE, PALMAS_INT_CTRL);
reg = PALMAS_INT_CTRL_INT_CLEAR;
regmap_write(palmas->regmap[slave], addr, reg);
ret = regmap_add_irq_chip(palmas->regmap[slave], palmas->irq,
IRQF_ONESHOT | IRQF_TRIGGER_LOW, 0, &palmas_irq_chip,
&palmas->irq_data);
if (ret < 0)
goto err;
slave = PALMAS_BASE_TO_SLAVE(PALMAS_PU_PD_OD_BASE);
addr = PALMAS_BASE_TO_REG(PALMAS_PU_PD_OD_BASE,
PALMAS_PRIMARY_SECONDARY_PAD1);
if (pdata->mux_from_pdata) {
reg = pdata->pad1;
ret = regmap_write(palmas->regmap[slave], addr, reg);
if (ret)
goto err_irq;
} else {
ret = regmap_read(palmas->regmap[slave], addr, ®);
if (ret)
goto err_irq;
}
if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_0))
palmas->gpio_muxed |= PALMAS_GPIO_0_MUXED;
if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_MASK))
palmas->gpio_muxed |= PALMAS_GPIO_1_MUXED;
else if ((reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_MASK) ==
(2 << PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_SHIFT))
palmas->led_muxed |= PALMAS_LED1_MUXED;
else if ((reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_MASK) ==
(3 << PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_SHIFT))
palmas->pwm_muxed |= PALMAS_PWM1_MUXED;
if (!(reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_2_MASK))
palmas->gpio_muxed |= PALMAS_GPIO_2_MUXED;
else if ((reg & PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_2_MASK) ==
//.........这里部分代码省略.........
开发者ID:AiWinters，项目名称:linux，代码行数:101，代码来源:palmas.c
示例17: marimba_probe
static int marimba_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct marimba_platform_data *pdata = client->dev.platform_data;
struct i2c_adapter *ssbi_adap;
struct marimba *marimba;
int i, status;
if (!pdata) {
dev_dbg(&client->dev, "no platform data?\n");
return -EINVAL;
}
if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) {
dev_dbg(&client->dev, "can't talk I2C?\n");
return -EIO;
}
if (inuse) {
dev_dbg(&client->dev, "driver already in use\n");
return -EBUSY;
}
for (i = 0; i <= NUM_ADD; i++) {
marimba = &marimba_modules[i];
if (i == 0)
marimba->client = client;
else {
if (i != MARIMBA_ID_TSADC)
marimba->client = i2c_new_dummy(client->adapter,
pdata->slave_id[i]);
else {
ssbi_adap = i2c_get_adapter(MARIMBA_SSBI_ADAP);
marimba->client = i2c_new_dummy(ssbi_adap,
pdata->slave_id[i]);
}
if (!marimba->client) {
dev_err(&marimba->client->dev,
"can't attach client %d\n", i);
status = -ENOMEM;
goto fail;
}
strlcpy(marimba->client->name, id->name,
sizeof(marimba->client->name));
}
mutex_init(&marimba->xfer_lock);
}
inuse = true;
if (pdata->marimba_setup != NULL)
pdata->marimba_setup();
marimba_init_reg(client);
status = marimba_add_child(pdata);
return 0;
fail:
return status;
}
开发者ID:mtuton，项目名称:linux_u82x0，代码行数:65，代码来源:marimba-core.c
示例18: s35390a_probe
static int s35390a_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int err;
unsigned int i;
struct s35390a *s35390a;
struct rtc_time tm;
char buf[1];
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
err = -ENODEV;
goto exit;
}
s35390a = kzalloc(sizeof(struct s35390a), GFP_KERNEL);
if (!s35390a) {
err = -ENOMEM;
goto exit;
}
s35390a->client[0] = client;
i2c_set_clientdata(client, s35390a);
/* This chip uses multiple addresses, use dummy devices for them */
for (i = 1; i < 8; ++i) {
s35390a->client[i] = i2c_new_dummy(client->adapter,
client->addr + i);
if (!s35390a->client[i]) {
dev_err(&client->dev, "Address %02x unavailable\n",
client->addr + i);
err = -EBUSY;
goto exit_dummy;
}
}
err = s35390a_reset(s35390a);
if (err < 0) {
dev_err(&client->dev, "error resetting chip\n");
goto exit_dummy;
}
err = s35390a_disable_test_mode(s35390a);
if (err < 0) {
dev_err(&client->dev, "error disabling test mode\n");
goto exit_dummy;
}
err = s35390a_get_reg(s35390a, S35390A_CMD_STATUS1, buf, sizeof(buf));
if (err < 0) {
dev_err(&client->dev, "error checking 12/24 hour mode\n");
goto exit_dummy;
}
if (buf[0] & S35390A_FLAG_24H)
s35390a->twentyfourhour = 1;
else
s35390a->twentyfourhour = 0;
if (s35390a_get_datetime(client, &tm) < 0)
dev_warn(&client->dev, "clock needs to be set\n");
INIT_WORK(&s35390a->work, s35390a_work);
if (client->irq > 0) {
err = request_irq(client->irq, s35390a_irq, IRQF_TRIGGER_LOW,
client->name, client);
if (err) {
dev_err(&client->dev, "unable to request IRQ\n");
goto exit_dummy;
}
}
s35390a->rtc = rtc_device_register(s35390a_driver.driver.name,
&client->dev, &s35390a_rtc_ops, THIS_MODULE);
if (IS_ERR(s35390a->rtc)) {
err = PTR_ERR(s35390a->rtc);
goto exit_intr;
}
s35390a->rtc->irq_freq = 0;
s35390a->rtc->max_user_freq = 16;
return 0;
exit_intr:
free_irq(client->irq, client);
exit_dummy:
for (i = 1; i < 8; ++i)
if (s35390a->client[i])
i2c_unregister_device(s35390a->client[i]);
kfree(s35390a);
i2c_set_clientdata(client, NULL);
exit:
return err;
}
开发者ID:Aircell，项目名称:asp-kernel，代码行数:95，代码来源:rtc-s35390a.c
示例19: max732x_probe
static int __devinit max732x_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct max732x_platform_data *pdata;
struct max732x_chip *chip;
struct i2c_client *c;
uint16_t addr_a, addr_b;
int ret, nr_port;
pdata = client->dev.platform_data;
if (pdata == NULL) {
dev_dbg(&client->dev, "no platform data\n");
return -EINVAL;
}
chip = kzalloc(sizeof(struct max732x_chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
chip->client = client;
nr_port = max732x_setup_gpio(chip, id, pdata->gpio_base);
addr_a = (client->addr & 0x0f) | 0x60;
addr_b = (client->addr & 0x0f) | 0x50;
switch (client->addr & 0x70) {
case 0x60:
chip->client_group_a = client;
if (nr_port > 8) {
c = i2c_new_dummy(client->adapter, addr_b);
chip->client_group_b = chip->client_dummy = c;
}
break;
case 0x50:
chip->client_group_b = client;
if (nr_port > 8) {
c = i2c_new_dummy(client->adapter, addr_a);
chip->client_group_a = chip->client_dummy = c;
}
break;
default:
dev_err(&client->dev, "invalid I2C address specified %02x\n",
client->addr);
ret = -EINVAL;
goto out_failed;
}
mutex_init(&chip->lock);
max732x_readb(chip, is_group_a(chip, 0), &chip->reg_out[0]);
if (nr_port > 8)
max732x_readb(chip, is_group_a(chip, 8), &chip->reg_out[1]);
ret = max732x_irq_setup(chip, id);
if (ret)
goto out_failed;
ret = gpiochip_add(&chip->gpio_chip);
if (ret)
goto out_failed;
if (pdata->setup) {
ret = pdata->setup(client, chip->gpio_chip.base,
chip->gpio_chip.ngpio, pdata->context);
if (ret < 0)
dev_warn(&client->dev, "setup failed, %d\n", ret);
}
i2c_set_clientdata(client, chip);
return 0;
out_failed:
max732x_irq_teardown(chip);
kfree(chip);
return ret;
}
开发者ID:12rafael，项目名称:jellytimekernel，代码行数:76，代码来源:max732x.c
示例20: adv7180_probe
static int adv7180_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct adv7180_state *state;
struct v4l2_subdev *sd;
int ret;
/* Check if the adapter supports the needed features */
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -EIO;
v4l_info(client, "chip found @ 0x%02x (%s)\n",
client->addr, client->adapter->name);
state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
if (state == NULL)
return -ENOMEM;
state->client = client;
state->field = V4L2_FIELD_INTERLACED;
state->chip_info = (struct adv7180_chip_info *)id->driver_data;
if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
state->csi_client = i2c_new_dummy(client->adapter,
ADV7180_DEFAULT_CSI_I2C_ADDR);
if (!state->csi_client)
return -ENOMEM;
}
if (state->chip_info->flags & ADV7180_FLAG_I2P) {
state->vpp_client = i2c_new_dummy(client->adapter,
ADV7180_DEFAULT_VPP_I2C_ADDR);
if (!state->vpp_client) {
ret = -ENOMEM;
goto err_unregister_csi_client;
}
}
state->irq = client->irq;
mutex_init(&state->mutex);
state->autodetect = true;
if (state->chip_info->flags & ADV7180_FLAG_RESET_POWERED)
state->powered = true;
else
state->powered = false;
state->input = 0;
sd = &state->sd;
v4l2_i2c_subdev_init(sd, client, &adv7180_ops);
sd->flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
ret = adv7180_init_controls(state);
if (ret)
goto err_unregister_vpp_client;
state->pad.flags = MEDIA_PAD_FL_SOURCE;
sd->entity.flags |= MEDIA_ENT_F_ATV_DECODER;
ret = media_entity_pads_init(&sd->entity, 1, &state->pad);
if (ret)
goto err_free_ctrl;
ret = init_device(state);
if (ret)
goto err_media_entity_cleanup;
if (state->irq) {
ret = request_threaded_irq(client->irq, NULL, adv7180_irq,
IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
KBUILD_MODNAME, state);
if (ret)
goto err_media_entity_cleanup;
}
ret = v4l2_async_register_subdev(sd);
if (ret)
goto err_free_irq;
return 0;
err_free_irq:
if (state->irq > 0)
free_irq(client->irq, state);
err_media_entity_cleanup:
media_entity_cleanup(&sd->entity);
err_free_ctrl:
adv7180_exit_controls(state);
err_unregister_vpp_client:
if (state->chip_info->flags & ADV7180_FLAG_I2P)
i2c_unregister_device(state->vpp_client);
err_unregister_csi_client:
if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
i2c_unregister_device(state->csi_client);
mutex_destroy(&state->mutex);
return ret;
}
开发者ID:020gzh，项目名称:linux，代码行数:94，代码来源:adv7180.c
注：本文中的i2c_new_dummy函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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