/* If this is the alerting device, notify its driver */
static int smbus_do_alert(struct device *dev, void *addrp)
{
struct i2c_client *client = i2c_verify_client(dev);
struct alert_data *data = addrp;
struct i2c_driver *driver;
if (!client || client->addr != data->addr)
return 0;
if (client->flags & I2C_CLIENT_TEN)
return 0;
/*
* Drivers should either disable alerts, or provide at least
* a minimal handler. Lock so the driver won't change.
*/
device_lock(dev);
if (client->dev.driver) {
driver = to_i2c_driver(client->dev.driver);
if (driver->alert)
driver->alert(client, data->flag);
else
dev_warn(&client->dev, "no driver alert()!\n");
} else
dev_dbg(&client->dev, "alert with no driver\n");
device_unlock(dev);
/* Stop iterating after we find the device */
return -EBUSY;
}
static int pluto_chk_conflict(struct device *dev, void *addrp)
{
struct i2c_client *client = i2c_verify_client(dev);
unsigned short addr = *(unsigned short *)addrp;
if (!client)
return 0;
pr_info("%s: %s %x - %x\n", __func__, client->name, client->addr, addr);
if (client->addr == addr)
i2c_unregister_device(client);
return 0;
}
static int dpc_check_clients(struct device *dev, void *data)
{
struct dpc* dpc = data;
struct i2c_client *client = i2c_verify_client(dev);
if( !client )
return 0;
if( I2C_SAA7111A == client->addr )
dpc->saa7111a = client;
return 0;
}
/* must call put_device() when done with returned i2c_client device */
struct i2c_client *of_find_i2c_device_by_node(struct device_node *node)
{
struct device *dev;
struct i2c_client *client;
dev = bus_find_device(&i2c_bus_type, NULL, node, of_dev_node_match);
if (!dev)
return NULL;
client = i2c_verify_client(dev);
if (!client)
put_device(dev);
return client;
}
static int apds9801_resume(struct device *device)
{
#ifdef LGE_APDS9801
struct i2c_client *client = i2c_verify_client(device);
struct apds9801_data *data = i2c_get_clientdata(client);
struct proximity_platform_data *pdata = client->dev.platform_data;
if (data->enable)
{
if (device_may_wakeup(&client->dev))
disable_irq_wake(data->irq);
} else {
pdata->power(1);
apds9801_set_shutdown(client, 0);
}
return 0;
#else
return apds9801_set_shutdown(client, 1);
#endif
}
static int mxb_check_clients(struct device *dev, void *data)
{
struct mxb *mxb = data;
struct i2c_client *client = i2c_verify_client(dev);
if (!client)
return 0;
if (I2C_ADDR_TEA6420_1 == client->addr)
mxb->tea6420_1 = client;
if (I2C_ADDR_TEA6420_2 == client->addr)
mxb->tea6420_2 = client;
if (I2C_TEA6415C_2 == client->addr)
mxb->tea6415c = client;
if (I2C_ADDR_TDA9840 == client->addr)
mxb->tda9840 = client;
if (I2C_SAA7111 == client->addr)
mxb->saa7111a = client;
if (0x60 == client->addr)
mxb->tuner = client;
return 0;
}
static int smbus_do_alert(struct device *dev, void *addrp)
{
struct i2c_client *client = i2c_verify_client(dev);
struct alert_data *data = addrp;
if (!client || client->addr != data->addr)
return 0;
if (client->flags & I2C_CLIENT_TEN)
return 0;
device_lock(dev);
if (client->driver) {
if (client->driver->alert)
client->driver->alert(client, data->flag);
else
dev_warn(&client->dev, "no driver alert()!\n");
} else
dev_dbg(&client->dev, "alert with no driver\n");
device_unlock(dev);
return -EBUSY;
}
static int match_name(struct device *dev, void *data)
{
const char *name = data;
struct i2c_client *client = i2c_verify_client(dev);
return client ? !strncmp(client->name, name, strlen(name)) : 0;
}
