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| author | Jeff Garzik <jgarzik@pobox.com> | 2006-02-09 00:58:59 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2006-02-09 00:58:59 -0500 |
| commit | cac0e8e8bb2e7a086643bdd00c41d900a79bb4fa (patch) | |
| tree | 73cd85e5529a01fa2338ab6d58b99c36dd666cbe /drivers/i2c/i2c-core.c | |
| parent | ddef9bb367b19383df627e388cb4c01c86ddba6c (diff) | |
| parent | 0bdd340c092b0936f78a54bdbd3927463ed4fca3 (diff) | |
Merge branch 'master'
Diffstat (limited to 'drivers/i2c/i2c-core.c')
| -rw-r--r-- | drivers/i2c/i2c-core.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 0ce58b50604..1a2c9ab5d9e 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -946,6 +946,20 @@ s32 i2c_smbus_read_i2c_block_data(struct i2c_client *client, u8 command, u8 *val } } +s32 i2c_smbus_write_i2c_block_data(struct i2c_client *client, u8 command, + u8 length, u8 *values) +{ + union i2c_smbus_data data; + + if (length > I2C_SMBUS_BLOCK_MAX) + length = I2C_SMBUS_BLOCK_MAX; + data.block[0] = length; + memcpy(data.block + 1, values, length); + return i2c_smbus_xfer(client->adapter, client->addr, client->flags, + I2C_SMBUS_WRITE, command, + I2C_SMBUS_I2C_BLOCK_DATA, &data); +} + /* Simulate a SMBus command using the i2c protocol No checking of parameters is done! */ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr, @@ -1150,6 +1164,7 @@ EXPORT_SYMBOL(i2c_smbus_read_word_data); EXPORT_SYMBOL(i2c_smbus_write_word_data); EXPORT_SYMBOL(i2c_smbus_write_block_data); EXPORT_SYMBOL(i2c_smbus_read_i2c_block_data); +EXPORT_SYMBOL(i2c_smbus_write_i2c_block_data); MODULE_AUTHOR("Simon G. Vogl <simon@tk.uni-linz.ac.at>"); MODULE_DESCRIPTION("I2C-Bus main module"); |