diff options
Diffstat (limited to 'include/linux/i2c.h')
| -rw-r--r-- | include/linux/i2c.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h index e988fa935b3..3a16b71d9fd 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -423,6 +423,9 @@ struct i2c_adapter { int retries; struct device dev; /* the adapter device */ + bool cancel_xfer_on_shutdown; + bool atomic_xfer_only; + int nr; char name[48]; struct completion dev_released; @@ -460,6 +463,8 @@ int i2c_for_each_dev(void *data, int (*fn)(struct device *, void *)); /* Adapter locking functions, exported for shared pin cases */ void i2c_lock_adapter(struct i2c_adapter *); void i2c_unlock_adapter(struct i2c_adapter *); +void i2c_shutdown_adapter(struct i2c_adapter *adapter); +void i2c_shutdown_clear_adapter(struct i2c_adapter *adapter); /*flags for the client struct: */ #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */ @@ -548,4 +553,18 @@ extern void acpi_i2c_register_devices(struct i2c_adapter *adap); static inline void acpi_i2c_register_devices(struct i2c_adapter *adap) {} #endif +/* Bus clear logic using the GPIO */ +#ifdef CONFIG_I2C_ALGO_BUSCLEAR +int i2c_algo_busclear_gpio(struct device *dev, int scl_gpio, + int scl_gpio_flags, int sda_gpio, int sda_gpio_flags, + int max_retry_clock, int clock_speed_hz); +#else +static inline int i2c_algo_busclear_gpio(struct device *dev, int scl_gpio, + int scl_gpio_flags, int sda_gpio, int sda_gpio_flags, + int max_retry_clock, int clock_speed_hz) +{ + return -EINVAL; +} +#endif /* CONFIG_I2C_ALGO_BUSCLEAR */ + #endif /* _LINUX_I2C_H */ |