110 		LOG_ERR("Failed to write i2c target slave address.");  in ak8963_execute_rw()
119 		LOG_ERR("Failed to write i2c target slave register.");  in ak8963_execute_rw()
128 		LOG_ERR("Failed to initiate i2c slave transfer.");  in ak8963_execute_rw()
137 			LOG_ERR("Waiting for slave failed.");  in ak8963_execute_rw()
153 		LOG_ERR("Failed to prepare transfer.");  in ak8963_read_reg()
161 		LOG_ERR("Failed to read data from slave.");  in ak8963_read_reg()
177 		LOG_ERR("Failed to write data to slave.");  in ak8963_write_reg()
184 		LOG_ERR("Failed to transfer write to slave.");  in ak8963_write_reg()
198 		LOG_ERR("Failed to set AK8963 mode.");  in ak8963_set_mode()
234 		LOG_ERR("Failed to set chip in fuse access mode.");  in ak8963_fetch_adj()
240 		LOG_ERR("Failed to read adjustment data.");  in ak8963_fetch_adj()
247 		LOG_ERR("Failed to read adjustment data.");  in ak8963_fetch_adj()
254 		LOG_ERR("Failed to read adjustment data.");  in ak8963_fetch_adj()
262 		LOG_ERR("Failed to set chip in power down mode.");  in ak8963_fetch_adj()
280 		LOG_ERR("Failed to reset AK8963.");  in ak8963_reset()
300 		LOG_ERR("Failed to set MPU9250 master i2c mode.");  in ak8963_init_master()
309 		LOG_ERR("Failed to set MPU9250 master i2c speed.");  in ak8963_init_master()
326 		LOG_ERR("Failed to set AK8963 slave address.");  in ak8963_init_readout()
334 		LOG_ERR("Failed to set AK8963 register address.");  in ak8963_init_readout()
343 		LOG_ERR("Failed to init AK8963 value readout.");  in ak8963_init_readout()
357 		LOG_ERR("Initializing MPU9250 master mode failed.");  in ak8963_init()
363 		LOG_ERR("Resetting AK8963 failed.");  in ak8963_init()
370 		LOG_ERR("Failed to read AK8963 chip id.");  in ak8963_init()
375 		LOG_ERR("Invalid AK8963 chip id (0x%X).", buf);  in ak8963_init()
382 		LOG_ERR("Calibrating AK8963 failed.");  in ak8963_init()
389 		LOG_ERR("Failed set sample rate for AK8963.");  in ak8963_init()
396 		LOG_ERR("Initializing AK8963 readout failed.");  in ak8963_init()