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authorJeff Garzik <jgarzik@pobox.com>2006-02-09 14:17:05 -0500
committerJeff Garzik <jgarzik@pobox.com>2006-02-09 14:17:05 -0500
commit70c07e02625ec46d0ffbfce1acef42d660803528 (patch)
treef500f1a4f93e72747fb08b0eefabb167dcdc5db9 /drivers/i2c/i2c-core.c
parent5d1769ac3d0ea5ff3a286b097c21faaf6a9e6859 (diff)
parent2746b8623abce815aaae7afc946b1b39f8436f5a (diff)
Merge branch 'viro'
Diffstat (limited to 'drivers/i2c/i2c-core.c')
-rw-r--r--drivers/i2c/i2c-core.c15
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");