#include <hw/i2c.h> #define DCMD_I2C_BUS_RESET __DION (_DCMD_I2C, 12)
The arguments to devctl() are:
| Argument | Value |
|---|---|
| filedes | A file descriptor that you obtained by opening the device. |
| dcmd | DCMD_I2C_BUS_RESET |
| dev_data_ptr | NULL |
| n_bytes | 0 |
| dev_info_ptr | NULL |
The DCMD_I2C_BUS_RESET command resets the bus.
If an error occurs, the command returns: