si4713_send_command
err = si4713_send_command(sdev, SI4713_CMD_GET_PROPERTY,
rval = si4713_send_command(sdev, SI4713_CMD_SET_PROPERTY,
err = si4713_send_command(sdev, SI4713_CMD_POWER_UP,
err = si4713_send_command(sdev, SI4713_CMD_POWER_DOWN,
rval = si4713_send_command(sdev, SI4713_CMD_GET_REV,
err = si4713_send_command(sdev, SI4713_CMD_GET_INT_STATUS,
err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_FREQ,
err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_POWER,
err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_MEASURE,
err = si4713_send_command(sdev, SI4713_CMD_TX_TUNE_STATUS,
err = si4713_send_command(sdev, SI4713_CMD_TX_RDS_BUFF,
err = si4713_send_command(sdev, SI4713_CMD_TX_RDS_PS,