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authorJean Delvare <khali@linux-fr.org>2006-01-08 23:19:18 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2006-02-06 15:02:14 -0500
commit21bbd691827e3610ef975a88863859381ac8d8e0 (patch)
tree3fc8283b25f55f4f216b4fc1bda64fd10335861e /drivers/i2c
parent8254fc4afcc81e69428c453cc216aa612c80e98b (diff)
[PATCH] I2C: Resurrect i2c_smbus_write_i2c_block_data.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/i2c')
-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 0ce58b506046..1a2c9ab5d9e3 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
946 } 946 }
947} 947}
948 948
949s32 i2c_smbus_write_i2c_block_data(struct i2c_client *client, u8 command,
950 u8 length, u8 *values)
951{
952 union i2c_smbus_data data;
953
954 if (length > I2C_SMBUS_BLOCK_MAX)
955 length = I2C_SMBUS_BLOCK_MAX;
956 data.block[0] = length;
957 memcpy(data.block + 1, values, length);
958 return i2c_smbus_xfer(client->adapter, client->addr, client->flags,
959 I2C_SMBUS_WRITE, command,
960 I2C_SMBUS_I2C_BLOCK_DATA, &data);
961}
962
949/* Simulate a SMBus command using the i2c protocol 963/* Simulate a SMBus command using the i2c protocol
950 No checking of parameters is done! */ 964 No checking of parameters is done! */
951static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr, 965static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
@@ -1150,6 +1164,7 @@ EXPORT_SYMBOL(i2c_smbus_read_word_data);
1150EXPORT_SYMBOL(i2c_smbus_write_word_data); 1164EXPORT_SYMBOL(i2c_smbus_write_word_data);
1151EXPORT_SYMBOL(i2c_smbus_write_block_data); 1165EXPORT_SYMBOL(i2c_smbus_write_block_data);
1152EXPORT_SYMBOL(i2c_smbus_read_i2c_block_data); 1166EXPORT_SYMBOL(i2c_smbus_read_i2c_block_data);
1167EXPORT_SYMBOL(i2c_smbus_write_i2c_block_data);
1153 1168
1154MODULE_AUTHOR("Simon G. Vogl <simon@tk.uni-linz.ac.at>"); 1169MODULE_AUTHOR("Simon G. Vogl <simon@tk.uni-linz.ac.at>");
1155MODULE_DESCRIPTION("I2C-Bus main module"); 1170MODULE_DESCRIPTION("I2C-Bus main module");