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Commit 4bb28e37 authored by Wolfram Sang's avatar Wolfram Sang
Browse files

i2c: tegra: don't advertise SMBUS_QUICK 



This HW cannot send 0-byte-length messages and the driver discards them.
So, we should not advertise SMBUS_QUICK.

Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent e8e523a4

drivers/i2c/busses/i2c-tegra.c

+2 −2
Original line number Diff line number Diff line
@@ -656,8 +656,8 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], 
static u32 tegra_i2c_func(struct i2c_adapter *adap)

{

	struct tegra_i2c_dev *i2c_dev = i2c_get_adapdata(adap);

	u32 ret = I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_10BIT_ADDR |

				I2C_FUNC_PROTOCOL_MANGLING;

	u32 ret = I2C_FUNC_I2C | (I2C_FUNC_SMBUS_EMUL & ~I2C_FUNC_SMBUS_QUICK) |

		  I2C_FUNC_10BIT_ADDR |	I2C_FUNC_PROTOCOL_MANGLING;



	if (i2c_dev->hw->has_continue_xfer_support)

		ret |= I2C_FUNC_NOSTART;