diff options
| -rw-r--r-- | chip/it83xx/i2c.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/chip/it83xx/i2c.c b/chip/it83xx/i2c.c index 1160b1bd2c..0ab872f323 100644 --- a/chip/it83xx/i2c.c +++ b/chip/it83xx/i2c.c @@ -670,10 +670,16 @@ int chip_i2c_xfer(int port, uint16_t slave_addr_flags, /* Make sure we're in a good state to start */ if ((flags & I2C_XFER_START) && (i2c_is_busy(port) || (i2c_get_line_levels(port) != I2C_LINE_IDLE))) { + /* Attempt to unwedge the port. */ - i2c_unwedge(port); + pd->err = i2c_unwedge(port); + /* reset i2c port */ i2c_reset(port, I2C_RC_NO_IDLE_FOR_START); + + /* Return if port is still wedged */ + if (pd->err) + return pd->err; } pd->task_waiting = task_get_current(); |