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| author | Antony Pavlov <antonynpavlov@gmail.com> | 2015-11-19 01:23:56 +0300 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-11-19 08:58:26 +0100 |
| commit | 4aa3a0347cc3e8e615bc6ed2d67c38d45ed07e01 (patch) | |
| tree | 0bfd166b4b39e07f2ecd623b29d7d337fe189a4c /include/i2c | |
| parent | c3859ce93c2dc9b182b2335bc881ad2485d00ba0 (diff) | |
| download | barebox-4aa3a0347cc3e8e615bc6ed2d67c38d45ed07e01.tar.gz barebox-4aa3a0347cc3e8e615bc6ed2d67c38d45ed07e01.tar.xz | |
i2c: add pca954x bus multiplexer driver
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include/i2c')
| -rw-r--r-- | include/i2c/i2c.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/i2c/i2c.h b/include/i2c/i2c.h index 8f7aae9666..33a4791c96 100644 --- a/include/i2c/i2c.h +++ b/include/i2c/i2c.h @@ -121,15 +121,28 @@ struct i2c_adapter { struct i2c_bus_recovery_info *bus_recovery_info; }; +#define to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev) struct i2c_client { struct device_d dev; struct i2c_adapter *adapter; unsigned short addr; + void *driver_data; /* Driver data, set and get with + dev_set/get_drvdata */ }; #define to_i2c_client(a) container_of(a, struct i2c_client, dev) +static inline void *i2c_get_clientdata(const struct i2c_client *dev) +{ + return dev->driver_data; +} + +static inline void i2c_set_clientdata(struct i2c_client *dev, void *data) +{ + dev->driver_data = data; +} + /*flags for the client struct: */ #define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */ #define I2C_CLIENT_SCCB 0x9000 /* Use Omnivision SCCB protocol */ |