diff options
Diffstat (limited to 'common/i2c_controller.c')
| -rw-r--r-- | common/i2c_controller.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/common/i2c_controller.c b/common/i2c_controller.c index 5a8f58196f..ac65483185 100644 --- a/common/i2c_controller.c +++ b/common/i2c_controller.c @@ -775,13 +775,13 @@ int i2c_raw_mode(int port, int enable) * low). * * We attempt to unwedge the bus by doing: - * - If SCL is being held low, then a slave is clock extending. The only - * thing we can do is try to wait until the slave stops clock extending. - * - Otherwise, we will toggle the clock until the slave releases the SDA line. - * Once the SDA line is released, try to send a STOP bit. Rinse and repeat - * until either the bus is normal, or we run out of attempts. + * - If SCL is being held low, then a peripheral is clock extending. The only + * thing we can do is try to wait until the peripheral stops clock extending. + * - Otherwise, we will toggle the clock until the peripheral releases the SDA + * line. Once the SDA line is released, try to send a STOP bit. Rinse and + * repeat until either the bus is normal, or we run out of attempts. * - * Note this should work for most devices, but depending on the slaves i2c + * Note this should work for most devices, but depending on the i2c peripheral's * state machine, it may not be possible to unwedge the bus. */ int i2c_unwedge(int port) |