diff options
| -rw-r--r-- | chip/lm4/i2c.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/chip/lm4/i2c.c b/chip/lm4/i2c.c index 12b53c2aa8..6b43eb4a29 100644 --- a/chip/lm4/i2c.c +++ b/chip/lm4/i2c.c @@ -157,8 +157,10 @@ int i2c_xfer(int port, int slave_addr, const uint8_t *out, int out_size, LM4_I2C_MCS(port) = reg_mcs; rv = wait_idle(port); - if (rv) + if (rv) { + LM4_I2C_MCS(port) = LM4_I2C_MCS_STOP; return rv; + } } } @@ -189,8 +191,10 @@ int i2c_xfer(int port, int slave_addr, const uint8_t *out, int out_size, LM4_I2C_MCS(port) = reg_mcs; rv = wait_idle(port); - if (rv) + if (rv) { + LM4_I2C_MCS(port) = LM4_I2C_MCS_STOP; return rv; + } in[i] = LM4_I2C_MDR(port) & 0xff; } } @@ -401,6 +405,7 @@ static int command_i2cread(int argc, char **argv) LM4_I2C_MCS(port) = (i == count - 1 ? 0x05 : 0x09); rv = wait_idle(port); if (rv != EC_SUCCESS) { + LM4_I2C_MCS(port) = LM4_I2C_MCS_STOP; i2c_lock(port, 0); return rv; } |