diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/scx200_acb.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index e28fb6973e5e..49f8a50205e7 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -316,8 +316,12 @@ static s32 scx200_acb_smbus_xfer(struct i2c_adapter *adapter, cur_word = cpu_to_le16(data->word); buffer = (u8 *)&cur_word; break; - case I2C_SMBUS_BLOCK_DATA: + case I2C_SMBUS_I2C_BLOCK_DATA: + if (rw == I2C_SMBUS_READ) + data->block[0] = I2C_SMBUS_BLOCK_MAX; /* For now */ len = data->block[0]; + if (len == 0 || len > I2C_SMBUS_BLOCK_MAX) + return -EINVAL; buffer = &data->block[1]; break; default: @@ -390,7 +394,7 @@ static u32 scx200_acb_func(struct i2c_adapter *adapter) { return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | - I2C_FUNC_SMBUS_BLOCK_DATA; + I2C_FUNC_SMBUS_I2C_BLOCK; } /* For now, we only handle combined mode (smbus) */ |