[U-Boot] [PATCH] i2c: fix SDA contention in read_byte()

We should not set SDA after TRISTATE, as it results in contention.

Signed-off-by: Thomas Chou thomas@wytron.com.tw --- drivers/i2c/soft_i2c.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/i2c/soft_i2c.c b/drivers/i2c/soft_i2c.c index 847db76..344b7f8 100644 --- a/drivers/i2c/soft_i2c.c +++ b/drivers/i2c/soft_i2c.c @@ -305,8 +305,8 @@ static uchar read_byte(int ack) /* * Read 8 bits, MSB first. */ - I2C_TRISTATE; I2C_SDA(1); + I2C_TRISTATE; data = 0; for(j = 0; j < 8; j++) { I2C_SCL(0);