diff options
| -rw-r--r-- | src/drivers/device/i2c.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/drivers/device/i2c.cpp b/src/drivers/device/i2c.cpp index 33bb90fc9..092ecd144 100644 --- a/src/drivers/device/i2c.cpp +++ b/src/drivers/device/i2c.cpp @@ -74,8 +74,10 @@ I2C::I2C(const char *name, I2C::~I2C() { - if (_dev) + if (_dev) { up_i2cuninitialize(_dev); + _dev = nullptr; + } } int @@ -118,6 +120,7 @@ I2C::init() // is smaller than the bus frequency if (_bus_clocks[bus_index] > _frequency) { (void)up_i2cuninitialize(_dev); + _dev = nullptr; log("FAIL: too slow for bus #%u: %u KHz, device max: %u KHz)", _bus, _bus_clocks[bus_index] / 1000, _frequency / 1000); ret = -EINVAL; @@ -164,6 +167,7 @@ I2C::init() out: if ((ret != OK) && (_dev != nullptr)) { up_i2cuninitialize(_dev); + _dev = nullptr; } return ret; } |