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i2c: mlxcpld: Fix adapter functionality support callback 

It fixes report about supported functionality.
Functionality can be different up to CPLD capability.

Fixes: 6bec23bff9 (i2c: mlxcpld: add master driver for mellanox systems)
Signed-off-by: Michael Shych <michaelsh@mellanox.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Michael Shych 2018-03-27 14:01:24 +00:00 committed by Wolfram Sang
parent c9bfdc7c16
commit 845f2a6d00
1 changed files with 8 additions and 1 deletions
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9
drivers/i2c/busses/i2c-mlxcpld.c
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@ -450,7 +450,14 @@ static int mlxcpld_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
static u32 mlxcpld_i2c_func(struct i2c_adapter *adap)
{
return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_SMBUS_BLOCK_DATA;
struct mlxcpld_i2c_priv *priv = i2c_get_adapdata(adap);
if (priv->smbus_block)
return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL |
I2C_FUNC_SMBUS_I2C_BLOCK | I2C_FUNC_SMBUS_BLOCK_DATA;
else
return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL |
I2C_FUNC_SMBUS_I2C_BLOCK;
}
static const struct i2c_algorithm mlxcpld_i2c_algo = {