Hello, This patch just adds back the i2c_smbus_read_block_data, it will be used with lm93 driver. This patch originated from Eric J. Bowersox [1], but never made it to mainline. I just redodiffed the patch. Signed-off-by: Eric J. Bowersox <ericb at aspsys.com> Signed-off-by: Rudolf Marek <r.marek at sh.cvut.cz> Please apply, Regards Rudolf [1] http://lists.lm-sensors.org/pipermail/lm-sensors/2005-August/013228.html diff -Naur a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c --- a/drivers/i2c/i2c-core.c 2005-10-20 08:23:05.000000000 +0200 +++ b/drivers/i2c/i2c-core.c 2005-10-23 18:17:22.731964000 +0200 @@ -984,6 +984,23 @@ I2C_SMBUS_WORD_DATA,&data); } +/* Returns the number of read bytes */ +s32 i2c_smbus_read_block_data(struct i2c_client *client, u8 command, + u8 *values) +{ + union i2c_smbus_data data; + int i; + if (i2c_smbus_xfer(client->adapter, client->addr, client->flags, + I2C_SMBUS_READ, command, + I2C_SMBUS_BLOCK_DATA, &data)) + return -1; + else { + for (i = 1; i <= data.block[0]; i++) + values[i-1] = data.block[i]; + return data.block[0]; + } +} + s32 i2c_smbus_write_block_data(struct i2c_client *client, u8 command, u8 length, u8 *values) { @@ -1227,6 +1244,7 @@ EXPORT_SYMBOL(i2c_smbus_write_byte_data); EXPORT_SYMBOL(i2c_smbus_read_word_data); EXPORT_SYMBOL(i2c_smbus_write_word_data); +EXPORT_SYMBOL(i2c_smbus_read_block_data); EXPORT_SYMBOL(i2c_smbus_write_block_data); EXPORT_SYMBOL(i2c_smbus_read_i2c_block_data); diff -Naur a/include/linux/i2c.h b/include/linux/i2c.h --- a/include/linux/i2c.h 2005-10-20 08:23:05.000000000 +0200 +++ b/include/linux/i2c.h 2005-10-23 18:17:22.735964250 +0200 @@ -95,6 +95,8 @@ extern s32 i2c_smbus_write_word_data(struct i2c_client * client, u8 command, u16 value); /* Returns the number of bytes transferred */ +extern s32 i2c_smbus_read_block_data(struct i2c_client *client, + u8 command, u8 *values); extern s32 i2c_smbus_write_block_data(struct i2c_client * client, u8 command, u8 length, u8 *values);
