diff options
-rw-r--r-- | chip/g/i2cm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/chip/g/i2cm.c b/chip/g/i2cm.c index e63c4a7014..b5f84e1598 100644 --- a/chip/g/i2cm.c +++ b/chip/g/i2cm.c @@ -272,8 +272,11 @@ static uint32_t i2cm_build_sequence(int port, int slave_addr, if (flags & I2C_XFER_START) inst |= INST_START; - /* Setup slave device address */ - inst |= INST_DEVADDRVAL(slave_addr); + /* + * Setup slave device address. Calls to chip_i2c_xfer assume an 8 bit + * slave address. Need to shift right by 1 bit. + */ + inst |= INST_DEVADDRVAL(slave_addr >> 1); if (out_size) { /* Send slave addr byte if this is start of I2C transaction */ |