diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-03 18:34:47 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-03 18:34:47 +0300 |
| commit | a03696e912cd544e1504a79e49600cdb535f42db (patch) | |
| tree | 7a9357153c3479f103cf74ea90ce4a5c983b0f2d /Documentation/i2c/writing-clients | |
| parent | 0a135ba14d71fb84c691a5386aff5049691fe6d7 (diff) | |
| parent | 0c43ea544c1086fbbed5a6c99ea58eb64674ea8f (diff) | |
| download | linux-a03696e912cd544e1504a79e49600cdb535f42db.tar.xz | |
Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
i2c: Document the message size limit
i2c-algo-pca: Drop duplicate variable
i2c: Hook up runtime PM support
i2c-parport-light: Add SMBus alert support
i2c-parport: Add SMBus alert support
i2c: Separate Kconfig option for i2c-smbus
i2c: Add SMBus alert support
i2c-parport: Give powered devices some time to settle
i2c-tiny-usb: Fix a comment on bus frequency
i2c-i801: Add Intel Cougar Point device IDs
i2c: Make PCI device ids constant
Diffstat (limited to 'Documentation/i2c/writing-clients')
| -rw-r--r-- | Documentation/i2c/writing-clients | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients index 0a74603eb671..3219ee0dbfef 100644 --- a/Documentation/i2c/writing-clients +++ b/Documentation/i2c/writing-clients @@ -318,8 +318,9 @@ Plain I2C communication These routines read and write some bytes from/to a client. The client contains the i2c address, so you do not have to include it. The second parameter contains the bytes to read/write, the third the number of bytes -to read/write (must be less than the length of the buffer.) Returned is -the actual number of bytes read/written. +to read/write (must be less than the length of the buffer, also should be +less than 64k since msg.len is u16.) Returned is the actual number of bytes +read/written. int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msg, int num); |