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Commit 52d7e430 authored by Shinya Kuribayashi's avatar Shinya Kuribayashi Committed by Ben Dooks
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i2c-designware: i2c_dw_func: Set I2C_FUNC_SMBUS_foo bits 



Set proper I2C_FUNC_SMBUS_* bits so that the driver could be used with
some utilities requiring SMBus functionalities, such as i2c-tools.

Note that DW I2C core doesn't support I2C_FUNC_SMBUS_QUICK, as it's not
capable of zero-length data transactions.

Signed-off-by: default avatarShinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent ae72222d

drivers/i2c/busses/i2c-designware.c

+6 −1
Original line number Diff line number Diff line
@@ -528,7 +528,12 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) 


static u32 i2c_dw_func(struct i2c_adapter *adap)

{

	return I2C_FUNC_I2C | I2C_FUNC_10BIT_ADDR;

	return	I2C_FUNC_I2C |

		I2C_FUNC_10BIT_ADDR |

		I2C_FUNC_SMBUS_BYTE |

		I2C_FUNC_SMBUS_BYTE_DATA |

		I2C_FUNC_SMBUS_WORD_DATA |

		I2C_FUNC_SMBUS_I2C_BLOCK;

}



static u32 i2c_dw_read_clear_intrbits(struct dw_i2c_dev *dev)