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| author |   Wolfram Sang <wsa@the-dreams.de> | 2019-06-03 10:25:34 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2019-06-14 23:24:33 +0200 |
| commit | 2caea56f569ac361fc854f6bf2fe94b70514c917 (patch) | |
| tree | e4821f179e4ee117b271176f08eec82c285edaa5 /include/linux/i2c.h | |
| parent | i2c: core: always have a named variable in arguments (diff) | |
| download | wireguard-linux-2caea56f569ac361fc854f6bf2fe94b70514c917.tar.xz wireguard-linux-2caea56f569ac361fc854f6bf2fe94b70514c917.zip | |
i2c: headers: update docs about I2C_CLIENT_*
Update kerneldoc for i2c client flags because they increased over time.
Also, move them to a position where they can be more easily found.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'include/linux/i2c.h')
| -rw-r--r-- | include/linux/i2c.h | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 14e04fb4f46f..9853fae9b505 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -298,8 +298,7 @@ struct i2c_driver { /** * struct i2c_client - represent an I2C slave device - * @flags: I2C_CLIENT_TEN indicates the device uses a ten bit chip address; - * I2C_CLIENT_PEC indicates it uses SMBus Packet Error Checking + * @flags: see I2C_CLIENT_* for possible flags * @addr: Address used on the I2C bus connected to the parent adapter. * @name: Indicates the type of the device, usually a chip name that's * generic enough to hide second-sourcing and compatible revisions. @@ -317,6 +316,15 @@ struct i2c_driver { */ struct i2c_client { unsigned short flags; /* div., see below */ +#define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */ +#define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */ + /* Must equal I2C_M_TEN below */ +#define I2C_CLIENT_SLAVE 0x20 /* we are the slave */ +#define I2C_CLIENT_HOST_NOTIFY 0x40 /* We want to use I2C host notify */ +#define I2C_CLIENT_WAKE 0x80 /* for board_info; true iff can wake */ +#define I2C_CLIENT_SCCB 0x9000 /* Use Omnivision SCCB protocol */ + /* Must match I2C_M_STOP|IGNORE_NAK */ + unsigned short addr; /* chip address - NOTE: 7bit */ /* addresses are stored in the */ /* _LOWER_ 7 bits */ @@ -803,16 +811,6 @@ static inline void i2c_mark_adapter_resumed(struct i2c_adapter *adap) i2c_unlock_bus(adap, I2C_LOCK_ROOT_ADAPTER); } -/*flags for the client struct: */ -#define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */ -#define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */ - /* Must equal I2C_M_TEN below */ -#define I2C_CLIENT_SLAVE 0x20 /* we are the slave */ -#define I2C_CLIENT_HOST_NOTIFY 0x40 /* We want to use I2C host notify */ -#define I2C_CLIENT_WAKE 0x80 /* for board_info; true iff can wake */ -#define I2C_CLIENT_SCCB 0x9000 /* Use Omnivision SCCB protocol */ - /* Must match I2C_M_STOP|IGNORE_NAK */ - /* i2c adapter classes (bitmask) */ #define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */ #define I2C_CLASS_DDC (1<<3) /* DDC bus on graphics adapters */ |